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morpeh [17]
3 years ago
15

How are air pressure and temperature related during this time period?

Chemistry
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0

Answer:

B

Explanation:

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What is the result of having two batteries on an electric motor
aleksley [76]

Answer:

Well bro lemme tell u,

by connecting batteries, you can increase the voltage, amperage, or both.

Explanation:

8 0
3 years ago
A solution of NaOH has a concentration of 25.00% by mass. What mass of NaOH is present in 0.250 g of this solution? Use the peri
meriva
The concentration of NaOH is 25.00% by mass, it means that 25.00% of the mass of the solution is of NaOH. Hence:

m_{NaOH}=25.00\%\times m_{solution}\Longrightarrow m_{NaOH}=\dfrac{25}{100}\times 0.250~g\iff\\\\\boxed{m_{NaOH}=0.0625~g}
7 0
3 years ago
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What are three things that can generate electrical energy?
Eddi Din [679]

Answer:

Three things that can generate electrical energy is <u>coal, natural gas, and petroleum.</u> (They generate from fossil fuels).

4 0
3 years ago
What is the molecular formula of a substance whose molar mass is 166.8 grams and its empirical formula is C2H4N2?
Tanzania [10]

Answer:

C4H2O6

Explanation:

8 0
3 years ago
Which element(s) is/are not balanced in this equation? <br> Pb(NO3)2 +2 Kcl -&gt; pbCl2 + KNO3
UkoKoshka [18]

Answer:

The correct answer is KNO3

Explanation:

Pb(NO3)2 +2 KCl -> PbCl2 + KNO3

If we look at the left side of the equation we could see that there are 1 lead atom, 2 nitrate atoms ,2 potassium atoms and 2 chlorine atoms

Now when we look at the right side of the equation, we found that there are –  

1 lead atom and  2 chlorine atoms (PbCl2)  , thus lead and chlorine are balanced as they have the same number of atom in LHS and RHS

There is only 1 potassium and 1 nitrate atom on RHS , thus KNO3 is not balanced.  

The balanced equation would be –  

Pb(NO3)2 +2 KCl -> PbCl2 +2 KNO3

4 0
3 years ago
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