The table compares the type of reactants and products taking part in two chemical changes.

chemical change comparison

chemical reaction reactants products

x an element and a compound a compound

y an element and another element a compound

which of the following statements correctly identifies the synthesis reaction and explains why?

only chemical reaction x, because one reactant is a compound

only chemical reaction y, because both reactants are elements

neither chemical reaction x nor y, because they have only one product

both chemical reactions x and y, because there are two reactants and a single product

The correct option is:

D) Both chemical reactions X and Y, because there are two reactants and a single product

Explanation:

A synthesis reaction is a chemical reaction in which two or more substances combine with each other to form a compound.  

The reactants can be elements or compounds.

In a synthesis reaction, only one product is obtained.

Hence, the correct option is:

D) Both chemical reactions X and Y, because there are two reactants and a single product

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: