Metals experience plastic deformation when _____.

Answers

Answer 1

Answer:

Metals experience plastic deformation when a specific amount of pressure and temperature is applied to them. Most metals have low specific heat. Because of their low specific heat, they easily get hot when heat is applied to them.

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Which of the following is a balanced equation for cellular respiration? A.C6H12O6 + 6O2 6CO2 + 6H2O
B.CO2 + H2O C6H12O6 + O2
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F.6CO2 + 6H2O C6H12O6 + 6O2

Answers

I did all of the work, and F is the answer I ended up with

calculate the molar mass of a gas if 3.30 grams of the has occupies 660 ml at 735mmHg and 27 degrees C

Answers

The molar mass of the gas that occupies the given volume is 127.4 g/mol.

The given parameters;

mass of the gas, m = 3.3 g
volume of the gas, V = 660 ml = 0.66l
pressure of the gas, P = 735 mmHg
temperature of the gas, T = 27 ⁰C = 273 + 27 = 300 K

The number of moles of the gas is calculated form ideal gas law as follows;

PV = nRT

where;

n is the number of moles
R is the gas constant = 62.36 L.mmHg/mol.K

$n = (PV)/(RT) \n\nn = (0.66 * 735)/(62.36 * 300) \n\nn = 0.0259 \ mole$

The molar mass of the gas is calculated as follows;

$no. \ mole = (reacting \ mass)/(molar \ mass) \n\nmolar \ mass = (reacting \ mass)/(no.\ mole) \n\nmolar \ mass =(3.3)/(0.0259) \n\nmolar \ mass = 127.4 \ g/mol$

Thus, the molar mass of the gas that occupies the given volume is 127.4 g/mol.

Learn more here:brainly.com/question/24542515

Use the ideal gas law PV = nRT and manipulate it to solve for n. PV/RT = n.Convert to SI units:660ml -> 0.660 L27 degrees -> 300 KLeave Pressure as isUse 62.36368 for R becuase you are using mmHg for Pressure.Now plug into the equation to get about 0.025928 mols. Divide the 3.30 grams by the mols to get about 127 g/mol.

A logical, systematic approach to the solution of a scientific problem1. Scientific Method
2. Scientific Law
3. Chemistry
4. Experiment

Answers

The answer is (1) Scientific Method. The Scientific Method is the method in which scientists do an experiment. It's a logical series of steps that ensures scientists don't miss anything and keep things organized.

What is a polar molecule

Answers

Answer:

Here, I hope this helps

Explanation:

Answer:

┃

Explanation:

A polar molecule is a chemical species in which the distribution of electrons between the covalently bonded atoms is not even. Each atom has a certain electro-negativity. When bonded to another atom, the atom with the higher electro-negativity will tend to attract more electrons.

8.00*10^-5 mol was diluted to 500ml what is the concentration in Mol/L?

Answers

Make sure all units are consistent. Convert ml to L first. (500ml = 0.5L). Then divide the mole by the volume which would result to 1.6*10^-4mol/L. This can also be expressed as interms of molarity (M). 1 M = 1 mol/L hence the final answer is 1.6*10^-4 M.

Answer : The concentration in mol/L is $1.6* 10^(-4)mol/L$

Explanation : Given,

Moles = $8.00* 10^(-5)mol$

Volume of solution = 500 mL

Formula used :

$\text{Concentration}=\frac{\text{Moles of solute}* 1000}{\text{Volume of solution (in mL)}}$

Now put all the given values in this formula, we get:

$\text{Concentration}=(8.00* 10^(-5)mole* 1000)/(500mL)=1.6* 10^(-4)mol/L$

Therefore, the concentration in mol/L is $1.6* 10^(-4)mol/L$

How many moles of hydrogen are needed to produce 13.78 mol of ethane?

Answers

This is an incomplete question, here is a complete question.

The following balanced equation shows the formation of ethane (C₂H₆).

$C_2H_2+2H_2\rightarrow C_2H_6$

How many moles of hydrogen are needed to produce 13.78 mol of ethane?

1) 3.445 mol

2) 6.890 mol

3) 27.56 mol

4) 55.12 mol

Answer : The number of moles of hydrogen needed are, (3) 27.56 mol

Explanation : Given,

Moles of ethane = 13.78 mol

The given balanced chemical reaction is:

$C_2H_2+2H_2\rightarrow C_2H_6$

From the balanced chemical reaction we conclude that,

As, 1 mole of ethane produced from 2 moles of hydrogen

So, 13.78 mole of ethane produced from $13.78* 2=27.56$ moles of hydrogen

Thus, the number of moles of hydrogen needed are, 27.56 mol

Ethane is an alkane. Methane is also an alkane and is considered to be the simplest alkane. The difference is ethane has only 2 carbon. That carbon has 6 hydrogen attached to it. So what we do is we multiply the moles of ethane by the number of hydrogen (by dimension analysis) resulting to 82.68 moles H.

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