Chemistry, 29.08.2019 01:40 alysonmariefont

Thirty grams of lead oxide and fifteen grams of ammonia react completely to produce solid lead, nitrogen gas, and liquid water. what will be approximate mass of all three products? 10 g 15 g 45 g 450 g

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45 g Thirty grams of lead oxide and fifteen grams of ammonia react completely to produce solid lead, nitrogen gas, and liquid water.

Answer from: YoVeoAnime

The approximate mass of three products are 45g.

Explanation:

Law of Conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another. Total mass on the reactant side is always equal to the total mass on the product side.

This law is followed by all the balanced chemical equations.

For the reaction of lead oxide and ammonia, the equation follows:

$3PbO(s)+2NH_3(aq.)\rightarrow 3Pb(s)+N_2(g)+3H_2O(l)$

Total mass on the reactant side = Mass of PbO + Mass of NH_3 = (30 + 15) = 45 g

As, this is a balanced chemical equation and hence, will follow law of conservation of mass. So,

Total mass of the products = Total mass of the reactants = 45 g

Therefore, the approximate mass of three products are 45g.

Answer from: Quest

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited. "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

Answer from: Quest

1.consider the following balanced equation and answer parts a through. show calculations for each part.

3 ag(s) + 4 hno3(aq) → 3 agno3(aq) + no(g) + 2 h2o(l)

a. calculate the number of moles of agno3 produced by the reaction of 3 moles of ag with excess hno3. if the number to the left of the compound represents the number of moles of the compound which are present, then 3 moles of ag react with 4 moles hno3 to produce 3 moles agno3 (aq).

so the answer to a would be 3 moles.

b. calculate the number of moles of agno3 produced by the reaction of 108 grams of ag with excess hno3.

i'm not sure how to plug in the grams of silver into an equation using moles to find how many moles are produced.

c. calculate the number of grams of agno3 produced by the reaction of 108 grams of ag with excess hno3

d. calculate the number of moles of no produced as a byproduct of the reaction of 108 grams of ag with excess hno3.

e. calculate the number of grams of no produced as a byproduct starting with 108 grams of ag and excess hno3.

explanation:

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