summarize the steps involved in charging trnas with their appropriate amino acids.

Answer:

The physical properties of matter are those characteristics that can be measured without altering the atomic structure, while the chemical properties of matter are those characteristics that result in a change in the atomic structure.

Answer: The given compounds are identified as being made of ionic, covalent, or metallic bonds:

Explanation:

A bond formed by transfer of electrons from one atom to another is called an ionic bond. An ionic bond is formed between a metal atom and a non-metal atom.

A bond formed by transfer of electrons from one atom to another is called a covalent bond. A covalent bond is formed between two or more non-metal atoms only.

Steel is actually an alloy of carbon and iron where there is less than 2% carbon, 1% manganese and small amounts of silicon, phosphorus, oxygen and sulphur are present.

When atoms of metals are held together then bond formed between these atoms is called metallic bond.

Hence, steel is made of metallic bond.

Chemical formula of propane is \(CH_{3}CH_{2}CH_{3}\) as there are only non-metal atoms are present. So, sharing of electrons takes place in such atoms due to which covalent bonding will be there.

Hence, propane is made up of covalent bonds.  

Calcium chloride contains a metal and a non-metal atom. This means that electrons are being transferred from calcium atom to the chlorine atom. Hence, bond present in calcium chloride is ionic bond.

Water has chemical formula \(H_{2}O\). Since, non-metal atoms are present there so sharing of electrons takes place between hydrogen and oxygen atoms. Hence, covalent bond is present in water.

Thus, we can conclude that given compounds are identified as being made of ionic, covalent, or metallic bonds:

Steel: ✔ metallic

Propane: ✔ covalent

Calcium chloride: ✔ ionic

Water: ✔ covalent

Answer:

We round numbers so we can find an answer or an estimate that will be close to the actual answer. Rounding numbers is also another way to get close to an exact answer without the trouble of having to calculate every number.

Answer:

Rounding numbers make the numbers easier and more simple to use . Though they may less accurate because of the changes number . Rounding is mainly used for estimates

The clay should be fired at a speed of 1.79 m/s (to two significant figures) in order to stop the car.

To solve this problem, we can use the conservation of momentum principle, which states that the total momentum of an isolated system remains constant. In this case, the initial momentum of the car and the final momentum of the car plus the clay must be equal in magnitude and opposite in direction.

Mass of the car (m1) = 1200 kg

Initial velocity of the car (v1) = 1.8 m/s

Mass of the clay (m2) = 10 kg

Final velocity of the car plus the clay (v2) = 0 m/s (since we want to stop the car)

Using the conservation of momentum principle, we can write:

m1v1 = (m1 + m2)v2

Solving for v2, we get:

v2 = (m1v1) / (m1 + m2)

Substituting the given values, we get:

v2 = (1200 kg x 1.8 m/s) / (1200 kg + 10 kg)

v2 = 1.79 m/s

Therefore, the clay should be fired at a speed of 1.79 m/s (to two significant figures) in order to stop the car.

Know more about momentum here: https://brainly.com/question/30677308

#SPJ4

(complete question)

a 1200 kg car is rolling at 1.8 m/s. you would like to stop the car by firing a 10 kg blob of sticky clay at it. how fast should you fire the clay? express your answer to two significant figures and include the appropriate units.

Answer:

The pH of a solution with the [H + ] = 1 × 10 -2 M is 2 and the pH of a solution with the [H + ] = 1 × 10 -10 M is 10. ( I think this is correct ).

Explanation:

Based on effective collision, in order for a reaction to occur, molecules must collide at a high enough energy to break bonds.

Effective collision are collision between reactant particles which result in the formation of product from reactant molecules.

For effective collisions to occur, the reactant molecules must possess a minimum amount of energy known as activation energy which is required  to break the bonds present in the reactant molecules.

Therefore, in order for a reaction to occur, molecules must collide at a high enough energy to break bonds.

Learn more about effective collisions at: https://brainly.com/question/14566831

Answer:

1.) Molecules must collide at a high enough energy to break bonds.

2.) the minimum amount of energy required to break bonds and start a chemical reaction

3.) Which change can encourage a reaction? adding heat

4.) More energy is released when forming the bonds of the products because a lot of heat is given off, which indicates energy was released.

5.) Two H–H bonds are broken, one O=O bond is broken, and four H–O bonds are

formed.Explanation:

^^ (be carefull with the last question, the answers look very similar)

Answer:

The oxidation state of carbon in CaC204 is 3

Answer:The oxidation number of the carbons + the oxidation numbers of the oxygens must equal -2. Carbons + (-8) = -2 so the oxidation number of the carbons must be +6. Since there are 2 carbon atoms each must contribute +3 each. What is the oxidation number of S in Na2S2O3?

Explanation:

The oxidation state of Oxygen is -2 and that of Calcium is +2. There are four oxygen atoms which amounts to -8 charge. This leaves a charge of +6 on Carbon

The resulting solution will have a pH of 11.95, which is basic.

To determine the pH of the resulting solution, we first need to calculate the moles of NaOH added.

moles of NaOH = concentration x volume

= 0.010 mol/L x 9.6 mL/1000 mL

= 9.6 x \(10^{-5\) mol

Next, we need to calculate the molarity of the resulting solution after the NaOH is added.

Molarity = moles of solute / volume of solution in liters

Volume of solution = volume of NaOH + volume of water

= 9.6 mL + 20 mL

= 29.6 mL

= 0.0296 L

Molarity = 9.6 x  \(10^{-5\)mol / 0.0296 L

= 0.00324 mol/L

The pH of a basic solution can be determined using the formula:

pH = 14 - log [OH-]

where [OH-] is the concentration of hydroxide ions in moles per liter.

[OH-] = concentration of NaOH added / total volume of resulting solution

[OH-] = 0.010 mol/L x 9.6 mL / 1000 mL / 0.0296 L

= 3.24 x  \(10^{-4\\\) mol/L

pH = 14 - log (3.24 x \(10^{-4\\\) )

= 11.95

Therefore, the resulting solution will have a pH of 11.95, which is basic.

Learn more about pH:

https://brainly.com/question/172153
#SPJ4

Answer:

2340mmHg

Explanation:

P1V1/n1T1=P2V2/n2T2

n1=n2 T1=25+271=298k

T2=300+273=573k

730×250/298=P2×150/573

P2=2340mmHg

The lowest whole number ratio of atoms present in a compound is given by the most straightforward formula or empirical formula. This formula indicates the proportion of atoms of each element in the compound.

Let's start with the information provided in the issue, which is the weight in grammes of each constituent.

If percentages are provided, we'll assume that there is a total mass of 100 grammes, making each element's mass equal to the specified percentage.

Convert each element's mass to a mole by using its molar mass from the periodic table.

Multiply the lowest calculated number of moles by each mole value.

To the nearest entire number, round up. The mole ratio of the elements is indicated by subscripts in the empirical formula.

If the number is too large to round off, multiply each response by the same factor to obtain the lowest whole number multiple (x.1 – x.9).

Learn more about empirical formula: https://brainly.com/question/14044066

#SPJ4

The Gibbs free energy change, ΔG, is a measure of the spontaneity of a reaction and can be determined by the equation ΔG = ΔH - TΔS, where ΔH is the change in enthalpy, T is the temperature in Kelvin, and ΔS is the change in entropy.

To determine how the Gibbs free energy changes with the extent of the reaction c4h8 ⇌ c4h6 + h2, we need to consider the stoichiometry of the reaction. The reaction involves the dehydrogenation of 1-butene, where 1 molecule of 1-butene (C4H8) is converted into 1 molecule of 1,3-butadiene (C4H6) and 1 molecule of hydrogen (H2).

At a temperature of 780 K, we can analyze the Gibbs free energy change by considering the values of ΔH and ΔS for the reaction. If ΔG is negative, the reaction is spontaneous in the forward direction, indicating that the dehydrogenation of 1-butene is favored. If ΔG is positive, the reaction is non-spontaneous in the forward direction, indicating that the formation of 1-butene is favored.

To determine the exact value of ΔG, we need to know the values of ΔH and ΔS for the reaction. With these values, we can substitute them into the equation ΔG = ΔH - TΔS and calculate the Gibbs free energy change.

In conclusion, the Gibbs free energy change with the extent of the dehydrogenation reaction can be determined using the equation ΔG = ΔH - TΔS.

Learn more about dehydrogenation from :

https://brainly.com/question/33409739

#SPJ11

There are 21.70 grams of carbon monoxide (CO) in 0.775 mol of the compound.

The mole was once defined as the number of atoms that could be found in 12 grammes of carbon-12 through investigation. The number of units in a mole is often referred to as Avogadro's number or Avogadro's constant in honor of the Italian physicist Amedeo Avogadro (1776–1856).

To determine the mass of carbon monoxide (CO) in 0.775 mol of the compound, we need to use the molar mass of CO, which is 28.01 g/mol.

To convert the given amount of CO from moles to grams, we can use the following formula:

mass = (number of moles) × (molar mass)

mass of CO = (0.775 mol) × (28.01 g/mol)

mass of CO = 21.70 g (rounded to two decimal places)

To know more about mole:

brainly.com/question/14676971

#SPJ4

Answer:

Answer is D

Explanation:

an increase in the number of protons

A statement would be issued to Westfield residents stating the findings of the Reddish-Brown Substance as well as addressing the various claims.

Dear residents of Westfield,

We are writing to inform you about the recent discovery of a reddish-brown substance found in the water supply. After conducting a series of tests and observations, we have determined the identity of the substance.

Firstly, we examined the pipes in the water supply system and found that the reddish-brown substance was present in the pipes. Through analysis of the atomic-scale models, we were able to confirm that the substance found in the pipes is identical to the substance found in the water. Therefore, we make the claim that the reddish-brown substance is the same as the substance that makes up the pipes.

We also investigated whether the reddish-brown substance could be related to the fertilizer used in local agricultural practices. However, after conducting chemical analysis, we found that the reddish-brown substance does not match the composition of the fertilizer. This leads us to conclude that the reddish-brown substance is not the same as the fertilizer.

In conclusion, the reddish-brown substance found in the water supply is not the same as the substance that makes up the pipes or the fertilizer used in local agricultural practices. We apologize for any concern this may have caused and assure you that steps are being taken to address the issue.

Thank you for your attention,

Dr. Yung and team.

That is how the letter should be addressed.

Learn more on reddish-brown substance here: https://brainly.com/question/22666129

#SPJ1

That is the symbol that depicts an oxidizing reagent

The circle with fire on top line underneath is a symbol that depicts an oxidizing reagent, hence option D is correct.

A supply of fuel (such as flammable materials), a source of oxygen, and an explosion or other source of ignition make up the fundamental elements of a fire. Only hazardous goods that are oxidizing solids, liquids, or gases are given the flame over circle symbol.

A product or its fumes may readily catch fire if used close to heat, flames, or sparks, according to the flame sign. Products made with flammable chemicals include aerosol cans, lighter fluid, and paint thinner. The product is lethal.

Learn more about oxidizing reagent, here:

https://brainly.com/question/28196410

#SPJ6

The given question is incomplete, so the most probable complete question is attached in the image below.

Answer:

synthesis reaction

Explanation:

A + X --> AX

Answer:

Combustion reaction

Explanation:

Answer:

A photon

Explanation:

Hope it helps!

Answer:

Simple distillation for salt and water

Explanation:

Representation of chemical reaction using symbols of substances is called a chemical equation.

What is a chemical equation?

A chemical equation is a symbolic and compact way to represent the chemical changes that occur in a chemical reaction. The reactants, the substances that react together, are on the left-hand side, while the products of the reaction are on the right-hand side.

A chemical equation can be written for any chemical reaction by utilizing the symbols of the substances that are involved. Therefore, a chemical equation is the correct answer to the question.

What is a chemical equation used for?

A chemical equation is used to represent the reactants and products of a chemical reaction. It shows the number of atoms of each element that are present in the reactants and products of a chemical reaction. It also includes the states of the reactants and products in the chemical reaction.

For example, the chemical equation for the reaction between hydrogen and oxygen to produce water is:

2H2(g) + O2(g) → 2H2O(l)

This chemical equation shows that two molecules of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water in liquid form.

To know more about the chemical equation https://brainly.com/question/28294176

#SPJ11

Answer:

Thermal energy transfer involves the transfer of internal energy. The three types of thermal energy transfer are conduction, convection and radiation. ... Those are both good examples of convection, the movement of warm particles from warmer to cooler locations, Conduction is the transfer of thermal energy through direct contact. Convection is the transfer of thermal energy through the movement of a liquid or gas. Radiation is the transfer of thermal energy through thermal emission.

Explanation:

Hope this helps!

Answer:

thermal energy: the part of total internal energy that can be transferred (a portion of the kinetic energy)

heat is the thermal energy that flows from one substance to another due to a temperature difference.  

Thermal energy is measured in temperature change.

Thermal energy transfer stops when thermal equilibrium is achieved (Both substances at the same temperature).

conduction: Transfer of thermal energy through a solid object like heat transferring up a metal spoon from a hot cup of coffee.

convection: the transfer of thermal energy due to the movement of a liquid or gas caused by differences in temperature. Only in a fluid (liquid or gas). Breezes, ocean currents.

radiation: Transfer energy with or without matter. Warming from the Sun, microwave oven.

The type of adaptation shown by the dart frog is physiological adaptation while the one shown by the Hosta plant is structural adaptation.

Adaptation generally refers to the process by which living organisms adjust in order to continue to survive in an environment.

There are 3 main types of adaptations:

In behavioral adaptation, organisms change their behavior for their continued survival in their environments. Without these modifications, they may find it to survive and reproduce in the environment.

Physiological adaptation refers to changes that are encoded into the system of organisms. Changes that are not behavioral nor structural but ensure the continued survival of organisms in their environment.

Structural adaptation refers to the modification of physical structures for continued survival. These modifications become necessary because the environment keeps changing.

Thus, bright coloration as a warning to predators by the dart frog is a physiological adaptation while the development of big leaves that ensures that as much sunlight as possible is received by the Hosta plant is a structural adaptation.

More on adaptation can be found here: https://brainly.com/question/12534888

#SPJ1

Answer:

A)27.6g H2O x (1 mole H2O/ 18.02g H2O) x (1 mole H2/ 2mole H2O)

= 0.766 mol H2 x 6.022 x 10^23

= 4.61 x10^23 molecules

B)12.9g H2O x (1 mole H2O/ 18.02g H2O) x (2 mole Na / 2mole H2O)

=0.716 mol Na x 6.022x 10^23

= 4.31 x 10^23 atoms

Explanation:

I hope it's help

1) Beryllium. This element is in the second group and the second period. The atomic number is 4 which is the number of protons.

The mass number is the sum of neutrons and protons.

Assuming the element has no charge the number of electrons is equal to the number of protons.

Protons: 4.

Neutrons: the mass number - the atomic number = 9 - 4 = 5.

Electrons: 4.

Answer: The pancreas is a gland organ located in the abdomen. ... The end of this duct is connected to a similar duct that comes from the liver, which delivers bile to the duodenum. ... A person can usually treat minor chest injuries at home with rest and ...

The element with an atomic number of 11 that gets its symbol from the Latin word "natrium" is Sodium. Its symbol is "Na".

The symbol for sodium is Na, which is derived from the Latin word natrium. Sodium is a soft, silvery-white, highly reactive metal that is a member of the alkali metal group. It is an important element for many biological processes and is commonly found in salt (sodium chloride).

The other elements listed in the question are chlorine, iron, and nitrogen. Chlorine has an atomic number of 17, iron has an atomic number of 26, and nitrogen has an atomic number of 7. None of these elements gets their symbol from the Latin word natrium.

For more question on atomic number click on

https://brainly.com/question/11353462

#SPJ11

Probable question would be

with an atomic number of 11, which of these elements gets its symbol from the latin word natrium?

Sodium

Chlorine

Iron

Nitrogen

The balanced equation for this reaction, including coefficients greater than 1, is as follows:

2 KOH + 2 HNO₃ → 2 KNO₃ + 2 H₂O

In this equation, we balance the atoms on both sides by adjusting the coefficients. Each side of the equation now has two potassium (K) atoms, two nitrates (NO₃) ions, and two hydroxides (OH) ions. The coefficients indicate the stoichiometric ratio between the reactants and products.

The reaction proceeds by the KOH, a strong base, reacting with HNO₃, a strong acid, to form KNO₃, a salt, and water (H₂O). The potassium ions (K⁺) from KOH combine with the nitrate ions (NO₃⁻) from HNO₃ to produce KNO₃, while the hydroxide ions (OH⁻) from KOH combine with hydrogen ions (H⁺) from HNO₃ to form water.

Overall, this balanced neutralization equation demonstrates the stoichiometry of the reaction, indicating that for every two moles of KOH and HNO₃, two moles of KNO₃ and two moles of H₂O are produced.

Learn more about neutralization reactions at https://brainly.com/question/23008798

#SPJ11