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ryzh [129]
3 years ago
10

HELP ASAP PLEASE WILL GIVE 12 points

Chemistry
2 answers:
bija089 [108]3 years ago
8 0

Answer:

zinc powder + dilute nitric acid

Decrease the temperature in Exothermic reactions (Reactions that release energy, or become hot) Add a catalyst (A substance that reduces activation energy, speeding up the reaction) Increase the concentration of reactants. Increase the concentration of catalysts

Explanation:

Brainliest?

77julia77 [94]3 years ago
8 0

Explanation:

Answer:

Sana makatulong

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How many grams of h2 are needed to produce 14.51 g of nh3?
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Answer:

               2.57 g of H₂

Solution:

The Balance Chemical Equation is as follow,

                                          N₂  +  3 H₂    →    2 NH₃

According to Balance equation,

         34.06 g (2 moles) NH₃ is produced by  =  6.04 g (3 moles) of H₂

So,

               14.51 g of NH₃ will be produced by  =  X g of H₂

Solving for X,

                      X  =  (14.51 g × 6.04 g) ÷ 34.06 g

                     X =  2.57 g of H₂

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3 years ago
Is water used to test cheese for protein
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yes

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hen adding a solute to water, the vapor pressure will __________ and the boiling point will __________.
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