Answer: if doing it on ck-12 the answer is 40.1
Explanation:
There are produced 40.1 grams of ammonium chloride (NH₄Cl) in the reaction between 17.0 g of ammonia (NH₃) and 26.6 g of chlorine gas (Cl₂).
The reaction between ammonia and chlorine gas is the following:
8NH₃ + 3Cl₂ → 6NH₄Cl + N₂
Initially, we have:
\(m_{NH_{3}}\): mass of ammonia = 17.0 g\(m_{Cl_{2}}\): mass of chlorine gas = 26.6 g\(m_{N_{2}}\): mass of nitrogen = 3.50 gAccording to the conservation of mass, matter cannot be created or destroyed, only can be transformed, so the mass of the reactants must be equal to the mass of the products.
The mass of ammonium chloride produced is:
\( m_{r} = m_{p} \)
\( m_{NH_{3}} + m_{Cl_{2}} = m_{NH_{4}Cl} + m_{N_{2}} \)
\( 17.0 g + 26.6 g = m_{NH_{4}Cl} + 3.50 g \)
\( m_{NH_{4}Cl} = 17.0 g + 26.6 g - 3.50 g = 40.1 g \)
Therefore, 40.1 grams of ammonium chloride are produced in the reaction.
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Lewis dot structure HCO3
Answer:
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Explanation:
What class of organic compounds is generally prepared using the wittig reaction?
Generally, Alkenes are prepared using the Wittig reaction.
What are organic compounds?Any compound whose molecules contain carbon and hydrogen or a compound that is derivative of it is known as an organic compound.
An organic compound is also known as hydrocarbon
Organic chemistry is the branch of science that deals with the study of the structure, properties, and reactions of hydrocarbons and their derivatives.
What is a wittig reaction?In the wittig reaction, carbonyl compounds are converted into alkenes using phosphorus ylides.
Phosphorus ylides are made from phosphonium salt and a base.
This ylide reacts with carbonyl compound to form an alkene.
Wittig reaction:
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An man in Arkansas recently found a 9 carat diamond at Crater of Diamonds State Park. Five carats are equivalent to one gram, so this diamond weighs 1.8 g. Diamond is a crystalline form of the element carbon. How many atoms of carbon are in this 1.8 g diamond
Answer:
The answer is "1.8 g diamond includes 9.03e22 atoms".
Explanation:
Given:
Weight of 9-carat diamond = 1.8 g
\(\therefore\\\\\)
weight of 1-mole carbon =12 g
\(\because\)
calculating the moles which are available into 18 g carbon weight:
x= Carbon moles weight in 1.8 g
\(1 - mol\ C = 12 g\\\\x - mol\ C = 1.8 g\\\\\to x = \frac{(1.8 \ g \times 1\ mol\ C)}{ 12 \ g}\\\\\to x = 0.15\ moles\)
In 1 mole element associated with Avogadro's number that is \(6.02 \times 10^{23}\\\\\)
Carbon includes in 1 mol\(=6.02 \times 10^{23}\ atoms\\\\\)
0.15 mol of carbon includes:
\(= 0.15 \times 6.02 \times 10^{23} = 9.03 \times 10^{22}\ atoms.\)
Using the scientific notation:
0.15 mol of carbon includes: 9.03e22 atoms. So, 1.8 g diamond includes 9.03e22 atoms.
What else is produced during the combustion of butane, C4H10?
2C4H10 + 13O2 8________ + 10H2O
Answer:
CO2
Explanation:
What is thermodynamics?
a. the study of electric fields
b. the study of organic matter
c. the study of the nucleus
d. the study of heat flow
answer:
d. the study of heat flow.
explanation:
thermodynamics is the study of the relations between heat, work, temperature, and energy.
Afirmar que el h20 es la formula que corresponde al agua, esto es una teoría, idea, ley, hipotesis o experimentación
Answer:
Ley.
Explanation:
En la teoría de la ciencia, la regularidad de los procesos en la naturaleza se denomina ley de la naturaleza. Las leyes naturales se diferencian de otras leyes en que los seres humanos no pueden ponerlas en vigor ni anularlas a su discreción. En tal sentido, la composición química del agua es indudablemente una ley natural, en tanto el hombre no puede modificarla sin modificar las características inherentes del agua como tal.
how have scientists been able to determine the composition of earth's layers?
A. by looking at how X-rays affect the planet
B. by studying the magnetic fields of various planets and moons
C. by looking at how seismic waves change speeds as they travel through Earth
D. by studying layers of other planets and moons
CsH16 +12028CO2 +8H₂O
What is the ratio of octene (C8H16) to
oxygen in the reaction?
The ratio of octene to oxygen is 1:12.
To determine the ratio of octene (C8H16) to oxygen (O2) in the given reaction, we need to examine the balanced chemical equation. However, the equation you provided does not seem to be balanced. The coefficients for each compound must be determined to achieve a balanced equation before we can calculate the desired ratio.
Assuming you meant the combustion reaction of octene, a balanced equation would be:
C8H16 + 12O2 → 8CO2 + 8H2O
From the balanced equation, we can see that for every 1 mole of octene (C8H16), we require 12 moles of oxygen (O2) to completely react.
This means that for every 1 mole of octene, we need 12 moles of oxygen to fully combust the octene and produce the corresponding amounts of carbon dioxide (CO2) and water (H2O) as shown in the balanced equation.
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if a block weighs 125 grams and it has a volume of 5 mL, what is it's density?
Which of the following is most likely a solid that is not a good conductor of electricity? A. Nickel B. Sodium C. Silicon D. Fluorine
Answer:
Option D: Fluorine
Explanation:
From the periodic table, Nickel and Sodium are metals. Which means that they are good conductors of electricity.
While silicon is a metalloid. A metalloid has properties of both metals and nonmetals. Thus, it has tendencies to conduct electricity.
Fluorine is a non - metal which means that it doesn't conduct electricity.
Thus, the most likely that is not a good conductor is Fluorine.
Which of the following compounds are polar:
CBr4, XeF2, SCl4, BrF3, CH3OH
a) XeF2, SCl4, BrF3, CH3OH only
b) BrF3, CH3OH only
c) SCl4, BrF3, CH3OH only
d) CBr4, XeF2, SCl4, BrF3, CH3OH
The compounds that are polar are BrF3, CH3OH only as BrF3 has a net dipole moment resulting from the asymmetry of its trigonal bipyramidal geometry, while CH3OH is polar due to the asymmetry of its molecular geometry. The correct option is b).
The compound that is considered polar is the one with a net dipole moment. This dipole moment arises due to the unequal distribution of electrons within the molecule, leading to partial charges on different atoms.
Out of the given compounds, only CH3OH is polar. This is because it has a net dipole moment resulting from the difference in electronegativity between oxygen and carbon/hydrogen atoms. The oxygen atom in CH3OH has a partial negative charge, while the carbon and hydrogen atoms have partial positive charges.
The other compounds, CBr4, XeF2, SCl4, and BrF3, are all nonpolar. CBr4 and XeF2 have a symmetrical tetrahedral geometry, while SCl4 and BrF3 have a trigonal bipyramidal geometry, leading to a net dipole moment of zero.
Therefore, the correct answer is (b) BrF3, CH3OH only, as BrF3 has a net dipole moment resulting from the asymmetry of its trigonal bipyramidal geometry, while CH3OH is polar due to the asymmetry of its molecular geometry.
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What tool has allowed scientists to learn about the characteristics of Earth's layers?
A. radar
B. satellite
C. seismograph
D. X-ray
How many grams of ammonia (NH3) are formed when 30.0 grams of nitrogen (N2) is reacted with excess hydrogen (H2)
The balanced chemical equation for the given reaction is:N2 + 3H2 → 2NH3.In this equation, one mole of nitrogen reacts with three moles of hydrogen to produce two moles of ammonia. Using the molar masses of each compound, we can calculate the number of moles of nitrogen in 30.0 grams:
N2 molar mass = 28.02 g/mol30.0 g N2 × (1 mol N2/28.02 g N2) = 1.07 mol N2According to the balanced chemical equation, 1 mole of nitrogen produces 2 moles of ammonia. Therefore, the number of moles of ammonia produced can be found using the stoichiometry of the balanced equation:1.07 mol N2 × (2 mol NH3/1 mol N2) = 2.14 mol NH3Finally, we can use the molar mass of ammonia to convert moles of ammonia to grams:
NH3 molar mass = 17.03 g/mol2.14 mol NH3 × (17.03 g NH3/1 mol NH3) = 36.5 g NH3.
The given chemical equation is:N2 + 3H2 → 2NH3In this equation, one mole of nitrogen reacts with three moles of hydrogen to produce two moles of ammonia. The balanced chemical equation indicates that for every mole of nitrogen, two moles of ammonia is formed.
Therefore, the number of moles of ammonia produced can be found using the stoichiometry of the balanced equation.Let's start by calculating the number of moles of nitrogen in 30.0 grams:N2 molar mass = 28.02 g/mol30.0 g N2 × (1 mol N2/28.02 g N2) = 1.07 mol N2According to the balanced chemical equation, 1 mole of nitrogen produces 2 moles of ammonia. Therefore, the number of moles of ammonia produced can be found using the stoichiometry of the balanced equation:
1.07 mol N2 × (2 mol NH3/1 mol N2) = 2.14 mol NH3Finally, we can use the molar mass of ammonia to convert moles of ammonia to grams:
NH3 molar mass = 17.03 g/mol2.14 mol NH3 × (17.03 g NH3/1 mol NH3) = 36.5 g NH3Therefore, 36.5 grams of ammonia are formed when 30.0 grams of nitrogen reacts with excess hydrogen (H2).
We found that 36.5 grams of ammonia are formed when 30.0 grams of nitrogen is reacted with excess hydrogen. The calculation was done by using the balanced chemical equation and stoichiometry to find the number of moles of ammonia produced and then converting it to grams using the molar mass of ammonia.
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In the summer, young animals grow bigger to give them a chance of surviving the winter. How does this compare to how a plant responds to the change in season?
Young plants grow seeds.
Young plants go dormant.
Young plants grow bigger.
Young plants drop their leaves.
Answer:
B
Explanation:
They go into a state of dormancy like hibernation .
In this stage they do
Metabolism slow heart rate lower body tempratureA 0.338g sample of anhydrous sodium carbonate is dissolved in water and titrated to a methyl orange endpoint with 15.3mL of a prepared hydrochloric acid solution. What is the molar concentration of the HCl solution?
To determine the molar concentration of the hydrochloric acid (HCl) solution, we need to use the information provided about the mass of anhydrous sodium carbonate and the volume of HCl solution used in the titration.
Given:
Mass of anhydrous sodium carbonate: 0.338 g
Volume of HCl solution used: 15.3 mL
First, we need to convert the volume of the HCl solution to liters:
Volume of HCl solution = 15.3 mL = 0.0153 L
Next, we need to determine the number of moles of anhydrous sodium carbonate (Na2CO3) using its molar mass. The molar mass of Na2CO3 is 105.99 g/mol.
Number of moles of Na2CO3 = Mass / Molar mass
Number of moles of Na2CO3 = 0.338 g / 105.99 g/mol
Now, since the balanced chemical equation between Na2CO3 and HCl is 1:2, we can determine the number of moles of HCl required for the reaction.
Number of moles of HCl = (Number of moles of Na2CO3) * 2
Next, we calculate the molar concentration of the HCl solution using the moles of HCl and the volume of the HCl solution.
Molar concentration of HCl = (Number of moles of HCl) / Volume of HCl solution
Substituting the values:
Molar concentration of HCl = (0.338 g / 105.99 g/mol) * 2 / 0.0153 L
Calculating the value:
Molar concentration of HCl ≈ 0.442 mol/L
Therefore, the molar concentration of the hydrochloric acid (HCl) solution is approximately 0.442 mol/L.
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how many atoms are there in 6.2 grams of silver
Convert 25 gigaseconds into centiseconds
25 gigaseconds is equal to 2,500,000,000,000 centiseconds
How can a compound not conduct electricity as solid but do so when liquid?
HELP
Explanation:
Ionic compounds conduct electricity when molten (liquid) or in aqueous solution (dissolved in water), because their ionsare free to move from place to place. Ionic compoundscannot conduct electricity when solid, as their ions are held in fixed positions and cannot move.
Two atoms with an electro-negativity difference of 0.4 form a bond that is?
Answer: Non-polar covalent bond
Explanation:
the name of binary ionic cpd composed of thelithium cation and the chlorine anion is called
The name of binary ionic cpd composed of the lithium cation and the chlorine anion is called Lithium chloride (LiCl). In Chemistry, the lithium chloride is an ionic compound consisting of lithium and chlorine.
It has a white or colourless solid structure in the form of a crystal. The lithium chloride formula is LiCl. It is a compound that is highly soluble in water and its solutions conduct electricity. Lithium chloride is used as a desiccant, a flux for welding and soldering, and a starting material in the synthesis of various other lithium compounds.
It is also used as an important reagent in organic synthesis. It is also useful in the production of ceramics and in the manufacture of lithium-ion batteries. In conclusion, the name of the binary ionic cpd consisting of the lithium cation and chlorine anion is Lithium chloride (LiCl).
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whic solvent ration gave the best separatoin of the pigments why was that the case
The solvent ratio that provided the best separation of pigments depends on the specific pigments and their solubility characteristics. Different pigments have varying degrees of solubility in different solvents, so the ideal solvent ratio for separation will vary.
The best solvent ratio for separating pigments depends on their solubility properties. Pigments can have different solubilities in various solvents due to differences in their molecular structures and intermolecular interactions. Some pigments may be more soluble in polar solvents, while others may be more soluble in nonpolar solvents.
When selecting a solvent ratio for pigment separation, it is important to consider the desired outcome. If the goal is to achieve a broad separation of pigments, a solvent system with a moderate polarity, such as a mixture of polar and nonpolar solvents, might be suitable. This combination can provide a balance between solubility and selectivity, allowing for the separation of a wide range of pigments.
However, if the objective is to achieve a specific separation of pigments with similar solubility characteristics, a solvent ratio that is more polar or nonpolar might be preferred. This choice can enhance the resolution between closely related pigments by exploiting their different solubilities in the solvent system.
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I really hope i don't mess this up again. sorry
In the scientific notation, the number that we obtain is 4.6 * 10^-10.
What is the result in the scientific notation?We know that in science we often have to deal with very large figure and these figures that we deal with could be quite cumbersome to handle. As such, it is important that we are able to devise a system that can help us to be able to write these values in a way that is simple and this is the origin of the use of the scientific notation.
The scientific notation can help us to be able to shorten the bulk of the figures tat we need to write. In this case we have the figures; 2.3 * 10^-4 * 2.0 * 10^-6 = 4.6 * 10^-10
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Need first 3 problems solved for a study guide please help me
Step 1
a. Please look at the next drawing:
First compound: C2H4
H = enthalphy = energy
H(C2H4) = H(C=C) + 4 x H(C-H) = 358 + 4 x 413 = 2010
------
Second compound: F2
H(F-F) = 154
------
Third compound: C2H4F2
H(C2H4F2) = 2 x H(C-F) + 4 x H(C-H) + H(C-C) = 2 x 485 + 4 x 413 + 495 = 3117
Therefore, ΔH = H products - H reactants = 3117 - (2010 + 154) = 953
Answer: ΔH = 953
assuming that ka is 1.85 x 10-5 for acetic acid, calculate the ph at the one-half the equivalence point and the equivalence point for a titration of 50 ml of 0.100 m acetic acid with 0.100 m naoh.
pH at one-half equivalence point = 4.414, pH at equivalence point = 7.00.
At one-half equivalence point:
Number of moles of NaOH = 0.0025 mol
Concentration of acetate ions = concentration of acetic acid = 0.050 M
pH = pKa + log([Acetate ions]/[Acetic acid]) = 4.76 + log(0.050/0.050) = 4.414
At equivalence point:
Number of moles of NaOH = 0.005 mol
Number of moles of acetic acid = 0.005 mol
Concentration of acetate ions = concentration of acetic acid = 0.0 M
pH = 7.00 (since the solution is a neutral salt)
What is a pH?
pH is a measure of the acidity or basicity of a solution, defined as the negative logarithm of the hydrogen ion concentration.
What is an acetic aacid?
Acetic acid is a weak organic acid with the chemical formula CH3COOH, commonly found in vinegar and used in various industrial processes.
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Use the solubility curve to match each scenario with its correct saturation level. All scenarios are in 100g of water.
The curve represents saturation. Below the curve, the water is unsaturated. Above the curve, water is supersaturated. This means that more solute is present than the water can contain.
The line of the solubility curve indicates that the solution is saturated. A saturated solution is defined as a solution in which 100 g of solute is dissolved in 100 g of water. Simulations below this line indicate unsaturated solutions.
The difference between unsaturated and saturated solutes can be determined by adding very small amounts of solute to the solution. In unsaturated solutes, solutes will dissolve, and solutes in saturated solutes will not dissolve. In saturated solutes, crystals will form very quickly around the added solute.
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the density of benzene at 15 °c is 0.8787 g/ml. calculate the mass of 0.1500 l of benzene at this temperature. enter your answer in terms of grams, but do not include units in the blank.
At 15 °C, benzene has a density of 0.8787 g/ml. 131.8g make up 0.15 L of benzene's mass.
What is density?Density, mass of a unit volume of the material substance. The formula for density is d = M/V, where d is the density, M is mass, and V is volume. Density is commonly expressed in the units of grams per cubic centimeter. For example, the density of water is 1 gram per cubic centimeter, and the Earth’s density is 5.51 grams per cubic centimeter.
Density can also be expressed as the kilograms per cubic meter (in meter-kilogram-second or SI units). For example, the density of the air is 1.2 kilograms per cubic meter. The densities of common solids, liquids, and gases are listed in the textbooks and handbooks.
Density offers a convenient means of obtaining mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density (M = V*d), while the volume is equal to the mass divided by the density (V = M/d). The weight of a body, which is usually of more practical interest than its mass, can be obtained by multiplying mass by the acceleration due to gravity.
There is a relationship between a substance's mass (m), volume (V), and density (d) that reads as follows:
d = m / V.
d = 0.8787 g/ml.
V = 0.15 x 1000 = 150 ml.
∴ the mass of 0.15 L of the benzene = d x V = (0.8787 g/ml) (150 ml) = 131.8 g.
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Is NaBrO4 (Sodium Perbromate): 1. Ionic or Molecular? and 2. Acid, Base, or neither? I know It's an Ionic compound but I'm not sure wheather it's an acid, base, or neither.
The compound is ionic and acidic in nature as the solvation leads to the formation of an acid.
What is the nature of the compound?We know that a compound is made up of atoms. The atoms in the compound have to be arranged in a particular way. The way that the atoms are arranged has a lot to do with how the compound acts.
We want to know if the compound Sodium Perbromate is ionic or molecular. How can we know this? By inspection, it is clear that there is the sodium ion and the Perbromate ion hence the compound is ionic.
When we dissolve the compound in water, the solvation of the compound would give rise to the per bromic acid hence the compound is acidic .
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Calculate ∆go for the oxidation of iron by h (at 25 °c). Reduction of fe 3 has a potential of -0. 036 v. 2 fe(s) 6 h (aq) → 2 fe3 (aq) 3 h2(g)
The value of standard free energy change (∆G°) for the oxidation of iron by H (at 25 °c) is found to be 20,925 J/mol.
The standard potential for the reduction of Fe³⁺ is -0.036 V. To calculate the standard free energy change (∆G°) for the oxidation of iron by H⁺, we can use the following equation,
∆G° = -nFE°, number of moles of electrons transferred is n, Faraday constant (96,485 C/mol) is F, standard cell potential is E°.
The balanced equation for the oxidation of iron by H⁺ is,
2Fe(s) + 6H⁺(aq) → 2Fe³⁺(aq) + 3H₂(g)
The oxidation of iron by H⁺ involves the transfer of 6 electrons, so n = 6
The standard cell potential, E°, can be calculated using the Nernst equation,
E° = E°(Fe³⁺/Fe²⁺) - (RT/nF) × ln(Q), the gas constant (8.314 J/(mol·K)) is R, temperature in Kelvin (298 K) is T, number of electrons transferred (6) is n, F is the Faraday constant (96,485 C/mol), and Q is the reaction quotient.
At standard conditions, the reaction quotient Q is equal to 1, since the concentrations of all the species in the reaction are 1 M. Therefore, ln(Q) = ln(1)
= 0.
Plugging in the values, we get,
E° = -0.036 V - (8.314 J/(mol·K) × 298 K/6 × 96,485 C/mol) × 0
E° = -0.036 V
Now we can calculate ∆G°,
∆G° = -nFE°
∆G° = -(6 mol e⁻) × (96,485 C/mol) × (-0.036 V)
∆G° = 20,925 J/mol
Therefore, the standard free energy change for the oxidation of iron by H⁺ is 20,925 J/mol at 25 °C.
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Complete question - Calculate ∆G° for the oxidation of Iron by H (at 25 °C). Reduction of Fe³⁺ has a potential of -0.036V. 2Fe(s) + 6H(aq) → 2Fe(aq) + 3H₂(g)
In a reaction, your actual product had a mass of 13.7 grams. You calculated that you need 29.3 grams to have the reaction go to completion. What is your percent yield?
Answer:
5.0
Explanation:
How many grams (g) are in 0.250 moles of copper?
Answer:
15.89grams
Explanation:
The mass of a substance can be calculated from it's mole value by using the formula:
mole = mass/molar mass
According to this question, there are 0.250 moles of copper. Hence, the mass of copper can be calculated as follows:
Molar mass of Cu = 63.55g/mol
0.250 = mass/63.55
mass = 0.250 × 63.55
mass = 15.8875
Mass of Cu in 0.250mol is 15.89grams.