1. How much NaCl can you get from 20g of NaOH?
NaOH + HCl →→ NaCl + H₂O

Answer:

asdd

Explanation:

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Answer:

go for what ever brother GUESS / imagine this gate brainlyist for literally doing nothing.

Explanation:

Answer:

2H2+O2=2H2o

Explanation:

We have 2 hydrogens, 2 oxygens on the left-hand side.

But only 1 O on the right-hand side.

let's place a 2 before H2O (water)

Do you drink H2O every day?

But balancing the O unbalanced H

So the balanced chemical equation will look like this:

2H2O+O2=2H2O

2-Methyl-2-butanol is a type of alcohol that is also known as tert-butyl alcohol or 2-methylpropyl alcohol.

what are the properties of 2-Methyl-2-butanol ?

It is a clear, colorless liquid that has a characteristic sweet and fruity odor. This alcohol is used in a variety of applications, including as a solvent, as a fuel additive, and as an intermediate in the synthesis of other chemicals. It is also used in the production of various fragrances and flavors, as well as in the formulation of certain pharmaceuticals and personal care products.

2-Methyl-2-butanol (tert-butyl alcohol) is a branched-chain alcohol that is characterized by its four carbon atoms and its secondary alcohol functional group. It is a clear, colorless, and relatively low-volatility liquid that has a low water solubility and a relatively low boiling point compared to other alcohols of similar molecular weight.

In terms of its properties and uses, 2-methyl-2-butanol is an effective solvent for a variety of organic compounds, including resins, fats, and oils, and it is also used as a starting material for the production of other chemicals. As a fuel additive, it can help to increase the octane rating of gasoline, and it can also help to reduce engine knock and improve fuel efficiency.

2-Methyl-2-butanol is a type of alcohol that is also known as tert-butyl alcohol or 2-methylpropyl alcohol.

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Answer:

A saturated solution may not be a concentrated solution IF the solute is only sparingly or slightly soluble in the solution.

This technique affect the pH in oceans that already have higher than

normal CO2 readings by increasing the ocean's acidity as the pH drops.

Adding nutrients to the upper (sunlit) layers of the ocean is a type of geoengineering (massive human operations to purposefully influence environmental systems) that aims to reduce atmospheric CO2 concentrations by promoting phytoplankton activity (photosynthesis).

Complex physical, biological, and chemical processes that vary throughout ocean regions and depths affect the ocean's carbon and nutrient cycles.

The growth, chemical communication, and reproductive processes of marine life can all be negatively impacted by even a slight variation in the pH of the seawater.

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Answer:

a

Explanation:

The overall equation is \(C_2H_4 + H_2 ---- > C_2H_6\).

A chemical equation is defined as a symbolic representation of a chemical reaction in the form of symbols and formulas, in which reactant elements are given on the left and product units on the right.

For example,

\(NaOH+ HCl ---- > NaCl+ H_2O\)

In this, reactants are converted to products which is symbolized by a chemical equation. For example, iron (Fe) and sulfur (S) combine to form iron sulfide (FeS).

Fe(s) + S(s) → FeS(s)

here, the plus sign indicates that iron reacts with sulfur.

Thus, the overall equation is \(C_2H_4 + H_2 ---- > C_2H_6\).

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Emerging scientific ideas are new theories or ideas that are gaining attention in the scientific community, but have not yet been fully accepted or confirmed.

Emerging ideas refer to the new and innovative ideas or theories that have yet to gain full scientific acceptance. While a scientific consensus is a view or theory that has been universally accepted and confirmed by multiple experiments or research, an emerging scientific idea is a new and unproven theory or idea that is gaining attention in the scientific community. These emerging ideas may also be referred to as scientific hypotheses. In contrast to scientific consensus, emerging scientific ideas have not yet been subjected to rigorous testing and confirmation.

They are generally proposed to explain new observations or experimental results, which have not yet been fully understood or explained by established scientific theories. Emerging scientific ideas can have the potential to challenge the current scientific consensus. If an emerging scientific idea is found to be valid, it can ultimately lead to the establishment of a new scientific consensus. For example, the emerging scientific idea of the Higgs boson particle led to the discovery of a new field in particle physics, which is now an established scientific consensus.

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The measure of the randomness of the system is the change in the entropy. The mixing of two gases and decomposition of the solid will increase the entropy.

Entropy is the disorderliness and the randomness of the system when the thermal energy is not present in a sufficient amount to initiate the reaction. In system A, when two gases are mixed then the entropy increases as the number of gaseous molecules increases.

In system B, when a solid powder gets decomposed to form a solid product and a gaseous product the entropy increases as along the solid particles the gas is also produced.

Therefore, in both the systems the entropy increases.

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91 is the proton number and 36 is the neutron. fusion has a nearly limitless source of fuel and produces less radioactive material than fission, it presents an intriguing option.

Thus, The challenges in using fusion offset these advantages. It is expensive to produce the ideal circumstances for a fusion reaction, and these reactions are difficult to regulate.

While scientists continue to work on managing nuclear fusion in an effort to create a fusion reactor that can produce electricity, research into improved ways to harness the power of fusion is still in the experimental stages.

Nuclear reactions that produce energy include both fission and fusion, although the methods are very dissimilar. A heavy, unstable nucleus can fission into two lighter nuclei, while two light nuclei can fuse together.

When two low-mass isotopes, usually hydrogen isotopes, combine at extremely high pressures and temperatures, fusion occurs.

Thus, 91 is the proton number and 36 is the neutron. fusion has a nearly limitless source of fuel and produces less radioactive material than fission, it presents an intriguing option.

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approximately 1.53 grams of potassium hydrogen phthalate (KHP) will be required to titrate 50 mL of a 0.15 M NaOH solution.

In order to determine the grams of potassium hydrogen phthalate (KHP) required to titrate 50 mL of a 0.15 M NaOH solution, we'll follow these steps:

1. Write the balanced chemical equation for the reaction between KHP and NaOH:

  KHP (C₈H₅KO₄) + NaOH → NaKC₈H₄O₄ + H₂O

  From the equation, we can see that the reaction occurs in a 1:1 ratio.

2. Calculate the moles of NaOH in the 50 mL solution:

  Moles of NaOH = Molarity × Volume (in L)
  Moles of NaOH = 0.15 mol/L × (50 mL × 0.001 L/mL)
  Moles of NaOH = 0.0075 moles

3. Calculate the moles of KHP needed for titration:

  Since the reaction is in a 1:1 ratio, the moles of KHP needed will be equal to the moles of NaOH:
  Moles of KHP = 0.0075 moles

4. Convert moles of KHP to grams:

  To do this, we need the molar mass of KHP (C₈H₅KO₄). The molar mass is approximately 204.22 g/mol.
  Grams of KHP = Moles of KHP × Molar Mass
  Grams of KHP = 0.0075 moles × 204.22 g/mol
  Grams of KHP ≈ 1.53 grams

Therefore, approximately 1.53 grams of potassium hydrogen phthalate (KHP) will be required to titrate 50 mL of a 0.15 M NaOH solution.

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The two components of the mixture of the liquids hexane and octane, which are miscible in all ratios, would be best separated using the distillation process.

Hexane and octane mixture is added to and heated in a distillation flask. Hexane vapours flow through and condense in the condenser due to its lower boiling point (69°C) than octane. However, octane, which has a higher boiling point than hexane (126°C), condenses and runs back into the condenser flask. The technique of selectively boiling and condensing to remove the constituents or chemicals from a liquid mixture is known as distillation, or classical distillation. Heating solid materials to create gaseous products is known as dry distillation.

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The third law of thermodynamics describes the entropy of a: solid.

The third law of thermodynamics states that the entropy of a pure crystalline substance approaches zero as the temperature approaches absolute zero (0 Kelvin or -273.15 degrees Celsius). This law implies that at absolute zero, a perfectly ordered and pure crystalline solid will have zero entropy.

The third law of thermodynamics is not specific to liquids or gases but applies to solids. In a solid, the molecules are highly ordered and have fixed positions in a regular lattice structure. As the temperature decreases towards absolute zero, the thermal motion of the molecules reduces, and the system becomes more ordered, resulting in a decrease in entropy.

In contrast, liquids and gases have higher entropy compared to solids at absolute zero because their molecules have more freedom of movement and are not as tightly arranged. Therefore, the third law of thermodynamics specifically addresses the entropy of solids and does not apply to liquids or gases.

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The combined mass of hydrochloric acid and sodium hydroxide is determined by adding their individual masses.

When calculating the combined mass of hydrochloric acid and sodium hydroxide, we need to consider the individual masses of these two substances. Hydrochloric acid (HCl) has a molecular formula of HCl and consists of one hydrogen atom (H) and one chlorine atom (Cl). Sodium hydroxide (NaOH), on the other hand, is composed of one sodium atom (Na), one oxygen atom (O), and one hydrogen atom (H). To calculate the combined mass, we add the individual masses of these reactants.

The molar mass of hydrogen (H) is approximately 1 gram/mol, while the molar mass of chlorine (Cl) is approximately 35.5 grams/mol. Sodium (Na) has a molar mass of around 23 grams/mol, oxygen (O) has a molar mass of approximately 16 grams/mol, and hydrogen (H) has a molar mass of around 1 gram/mol.

To determine the combined mass of hydrochloric acid and sodium hydroxide, we multiply the number of atoms of each element by their respective molar masses and sum them up. For example, hydrochloric acid has one hydrogen atom and one chlorine atom, so the total mass would be 1 gram/mol (hydrogen) + 35.5 grams/mol (chlorine). Similarly, sodium hydroxide has one sodium atom, one oxygen atom, and one hydrogen atom, resulting in a combined mass of 23 grams/mol (sodium) + 16 grams/mol (oxygen) + 1 gram/mol (hydrogen).

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Answer:

Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water.

Answer:

m = 0.0035 m.

Explanation:

Hello there!

In this case, since the formula for the computation of the molality is:

\(m=\frac{n_{solute}}{m_{solvent}}\)

We can first compute the moles of solute, K3PO4 by using its molar mass:

\(n=30mgK_3PO_4*\frac{1gK_3PO_4}{1000gK_3PO_4}*\frac{1molK_3PO_4}{212.27gK_3PO_4} =1.41x10^{-4}mol\)

Next, since the volume of water is 40.0 mL and its density is 1.00 g/mL we infer we have the same grams (40.0 g). Thus, we obtain the following molality by making sure we use the mass of water in kilograms (0.04000kg):

\(m=\frac{1.41x10^{-4}mol}{0.0400kg}\\\\m=0.0035m\)

In molal units (m=mol/kg).

Best regards!

Since 3 moles of hydrogen are needed for every 1 mole of nitrogen, a litre of nitrogen takes 3 litres of hydrogen. So, to generate ammonia, 7 L of nitrogen will need 21 L of hydrogen.

To calculate the ammonia gas volume: -First, determine how many moles of N2 and H2 there are. -Next, determine how many moles were produced by the reaction. Use the following equation: volume of ammonia gas = number of moles x volume at STP.

In the Haber-Bosch process, hydrogen and nitrogen are combined and treated at high pressure and temperature using a catalyst to make ammonia.

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Answer:

what happened was when he dried off, there was still a little salt water on him. so, since the water has salt in it and the sun is very hot wich makes salty dried up as hard salt on him.

Mid-Atlantic region generalized New York State landscape region is drained by the Susquehenna River and its tributaries

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Answer:

a. The chemical symbols represent the chemical element and are 1 to 2 letters long.

Example: Er- Erbium

b. The chemical formulas identify each element by it's chemical symbol and indicates the proportionate number of atoms in each element.

Example: Salt- NaCI

c. A chemical equation is the symbolic equation of a chemical reaction in the form of symbols and formulas.

Example: H2+O=H2O (One water molecule)

The percent by mass of chlorine in C2H5Cl is  D) 54.94%.

In C2H5Cl, The molecular  weight of C2H5Cl is (12.01 + (2*1.01) + 35.45) = 64.47 g/mol

The weight of chlorine in the compound is 35.45 g/mol.

The mass percent of chlorine in the compound can be calculated by (mass of chlorine/total mass) x 100%.

Therefore, (35.45/64.47) x 100% = 54.94%

So, The percent by mass of chlorine in C2H5Cl is 54.94%.

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a) Data:

F = 600 N

t = 1.5 s

The equation for Impulse:

Impulse = I = F x t,

then the change in momentum: pf - pi

Impulse and the change in momentum are related like this:

pf - pi = I = F x t = 600 N x 1.5 s = 900 N.s

Therefore the change in momentum: pf-pi = 900 N.s

b) Velocity (t) = initial velocity + a x t

We can assume initial velocity = 0 m/s

From F = m x a = mass x acceleration, we clear "a",

m = 275 g = 0.275 kg (1 kg = 1000 g)

Then, F/m = a => 600 N/0.275 kg = 2182 m/s^2

Velocity (t) = 0 + 2182 m/s^2 x 1.5 s = 3273 m/s

Velocity = 3273 m/s

Answer:

O 100

Explanation:

Answer:

NO OF NEUTRON =MASS NO -ATOMIC NO

=39-19

=20

bcz atomic no is equal to no of electrons

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To draw a Lewis structure, you first need to determine the number of valence electrons each atom has. Then, you can place the atoms on the grid and connect them with bonds to form the skeletal structure of the molecule. Next, you can add lone pairs of electrons to each atom to satisfy the octet rule, which states that atoms tend to bond in such a way as to achieve a full valence shell of eight electrons.

For example, let's consider the Lewis structure of water (H2O). Oxygen has six valence electrons, while each hydrogen has one. Thus, the total number of valence electrons in the molecule is 6 + 2(1) = 8.

To draw the structure, we place the oxygen atom in the center of the grid and connect it to each hydrogen atom with a single bond. We then add two lone pairs of electrons to the oxygen atom, which completes its octet. Each hydrogen atom has two electrons, satisfying its duet.

The resulting Lewis structure for water is O-H, with two lone pairs of electrons on the oxygen atom.

Overall, drawing Lewis structures is an essential skill in chemistry as it provides a visual representation of the molecule and helps predict its properties and behavior.

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Answer: there are sections where one side is gases and the other is non-gases. Also, the left side is more reactive and the right side is less reactive

Answer:

The periodic table is a tabular array of the chemical elements organized by atomic number, from the element with the lowest atomic number, hydrogen, to the element with the highest atomic number, oganesson.

Explanation: