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Lera25 [3.4K]
3 years ago
11

For each equation, state the reaction type and then balance the equation.

Chemistry
2 answers:
Sergio039 [100]3 years ago
7 0
This is the answer its very useful and very helpful

Oliga [24]3 years ago
3 0

Answer:

Na3PO4+3HCl —> H3PO4+3NaCl

Explanation:

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How does the VSEPR theory explain molecular shape?
Advocard [28]

Answer:

D. Electron pairs repelling each other push atoms apart

Explanation:

Hope this helps :) I just got it wrong on ap3x so I'm sure this is right

3 0
3 years ago
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What is the electron configuration of aluminum?
Bond [772]
 <span>What is the electron configuration of aluminum is </span>1s^2 2s^2 2p^6 3s^2 3p^1.
8 0
3 years ago
1.12g H2 is allowed to react with 9.60 g N2, producing 1.23 g NH3.
andriy [413]

Answer:

A. m_{NH_3}^{theo} =1.50gNH_3

B. Y=82.2\%

Explanation:

Hello!

In this case, since the undergoing chemical reaction between nitrogen and hydrogen is:

N_2+3H_2\rightarrow 2NH_3

Thus we proceed as follows:

A. Here, we first need to compute the moles of ammonia yielded by each reactant, in order to identify the limiting one:

n_{NH_3}^{by \ H_2}=1.12gH_2*\frac{1molH_2}{2.02gH_2}*\frac{2molNH_3}{3molH_2}=0.370molNH_3\\\\  n_{NH_3}^{by \ N_2}=1.23gN_2*\frac{1molN_2}{28.02gN_2}*\frac{2molNH_3}{1molN_2}=0.0878molNH_3

Thus, since nitrogen yields the fewest moles of ammonia, we realize it is the limiting reactant, so the theoretical yield, in grams, of ammonia is:

m_{NH_3}^{theo}=0.0878mol*\frac{17.04gNH_3}{1molNH_3} =1.50gNH_3

B. Finally, since the actual yield of ammonia is 1.23, the percent yield turns out:

Y=\frac{1.23gNH_3}{1.50gNH_3} *100\%\\\\Y=82.2\%

Best regards!

5 0
3 years ago
If a mineral has a metallic shine and scratches, which of its properties are being measured? Choose the two correct answers.
zzz [600]
If a mineral has a metallic shine and scratches, which of its properties are being measured?
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cleavage

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Answer: hardness and luster
8 0
3 years ago
Which process would most effectively separate two liquids with different molecular polarities?
Vlad1618 [11]
Answer is distillation.

the less polar liquid will distill faster at lower temperature compared to the polar liquid
6 0
3 years ago
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