Answer:
mass of carbon-dioxide = 0.262 g
Explanation:
Firstly, write the chemical equation of the reaction and balance the equation accordingly.
2NaHCO3(aq) → CO2(g) + H2O(l) + Na2CO3(aq)
Calculate the molecular mass of baking soda
molar mass of baking soda = 23 + 1 + 12 + 48 = 84 g
2 moles of baking soda = 2 × 84 = 168 g
molar mass of CO2 = 12 + 32 = 44 g
if 168 g of baking soda produces 44 g of carbon-dioxide
1 g of baking soda will produce ? grams of carbon-dioxide
cross multiply
mass of carbon-dioxide = 44/168
mass of carbon-dioxide = 0.2619047619
mass of carbon-dioxide = 0.262 g
Answer:
1. D (24.0 moles CO2)
2. A (.239 moles H2)
Explanation:
1. First Balance the equation
1 C3H8 + 5 O2 ---> 3 CO2 + 4 H2O
Then set up a stoiciometric equation so that the moles of O2 cancel out
40mol O2 x 
= 24.0 moles CO2
2. Set up a stoichiometric equation
10 grams Fe x 
x 
= 0.239 moles H2
It is both a and b
nuclear rxns will ALWAYS have changes in both mass and some of that mass will be converted into energy.
Answer:
The answer to your question is letter d. Synthesis
Explanation:
a. In a decomposition reaction, one single reactant splits out and forms 2 or more products.
b. In a single replacement reaction, a single atom replaces the cation of a molecule.
c. In a combustion reaction, an organic molecule reacts with oxygen to form carbon dioxide and water.
d. In a synthesis reaction, two reactants or more reactants combine to form one single product.
e. In a double replacement reaction, two molecules interchange cations and anions.
Answer:
You will form a solution
Explanation:
The sugar is added into the water, then the sugar will dissolve into the water.
