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Greeley [361]
3 years ago
6

Which of the following is an elastic force

Chemistry
1 answer:
AleksandrR [38]3 years ago
8 0

Answer:

C is the correct answer

Explanation:

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What is the theoretical yield of ammonia that can be obtained from the reaction of 10.0 g of H2 and excess N2?
zubka84 [21]
Theoretical yield is the ideal number, so we'll assume it all reacted without issue.
\frac{10.0gH _{2} }{1}×\frac{1molH_{2} }{2.016gH _{2} }×\frac{2molNH _{3} }{3molH _{2} }×\frac{17.03gNH _{3} }{1molNH _{3} }=56.3gNH↓3
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Which of the following shows the correct rearrangement of the the heat equation q = mCpΔT to solve for specific heat?
astra-53 [7]

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c

Explanation:

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3 years ago
KBr(aq) + NaCl(aq) =
torisob [31]
It’s ionic
KCl(at)
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3 years ago
When maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas write the balanved equati
babunello [35]

Answer: When maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas then balanced equation is MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}.

Explanation:

The word equation is given as maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas.

Now, in terms of chemical formulae this reaction equation will be as follows.

MnO_{2} + HCl \rightarrow H_{2}O + MnCl_{2} + Cl_{2}

Here, number of atoms on reactant side are as follows.

  • Mn = 1
  • O = 2
  • H = 1
  • Cl = 1

Number of atoms on product side are as follows.

  • Mn = 1
  • O = 1
  • H = 2
  • Cl = 4

To balance this equation, multiply HCl by 4 on reactant side and multiply H_{2}O by 2 on product side. Therefore, the equation can be rewritten as follows.

MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}

Hence, number of atoms on reactant side are as follows.

  • Mn = 1
  • O = 2
  • H = 4
  • Cl = 4

Number of atoms on product side are as follows.

  • Mn = 1
  • O = 2
  • H = 4
  • Cl = 4

Since, this equation contains same number of atoms on both reactant and product side. Therefore, this equation is now balanced equation.

Thus, we can conclude that when maganese dioxide is added to hydrogen chloride you get water maganese dichloride and chlorine gas then balanced equation is MnO_{2} + 4HCl \rightarrow 2H_{2}O + MnCl_{2} + Cl_{2}.

6 0
3 years ago
3. How many moles in 28 grams of CO2?
Burka [1]

Answer:

0.636 moles

Explanation:

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