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hichkok12 [17]
4 years ago
13

1. Which of the following best describes the relationship

Chemistry
1 answer:
Ipatiy [6.2K]4 years ago
8 0
D there is one kind of cell of which all living things are made
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Explain the relationship between heat and<br> thermal energy
stira [4]

Answer:

the explanation between heat and thermal energy is heat and thermal energy both consume the the proverbs which basically means they are the same thing in a way

Explanation:

heat is something that gets hot by the sun and thermal is something that is hot by the sun

3 0
3 years ago
What is 21g ÷ 15cm^3?​
valina [46]

Answer:

1400 kg / m3

Explanation:

3 0
3 years ago
a gas has an intial volume of 2.75L at a temperature of 285K. if the temperature changes to 380K, what is the new volume of the
olganol [36]
Suppose the gas is ideal gas. According to the ideal gas equation of state, pV = nRT, the pressure is unchanged. So Vi/Ti = nR/p = Vn/Tn. (i stands for initial and n stands for new) So the new volume Vn = 3.67 L
5 0
4 years ago
If there are 40 mol of NBr3 and 48 mol of NaOH, what is the excess reactant?
Nata [24]

Answer:

The correct answer is option B.

Explanation:

3NaOH+2NBr_3\rightarrow 3HOBr+3NaBr+N_2

Moles of NBr_3 = 40 mol

Moles of NaOH = 48 mol

According to reaction, 3 moles of NaOH reacts with 2 moles NBr_3

Then ,48 moles of NaOH will reacts with:

\frac{2}{3}\times 48 mol=32 mol of NBr_3

Then ,40 moles of NaBr_3 will reacts with:

\frac{3}{2}\times 40 mol=60 mol of NaOH

As we can see that 48 moles of sodium will completey react with 32 moles of nitrogen tribromide.

Moles left after reaction = 40 mol - 32 mol = 8 mol

Hence, the NBr_3 is an excessive reagent.

6 0
3 years ago
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Convert 3.8 dm3 to the unit m3.
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