2points
according to the law of conservation of matter, what number must be the
same on each side of a chemical equation?
a. the total number of chemical symbols
o
b. the number of atoms of each element
o
c. the number of substances
d. the total number of chemical formulas

According to the law of conservation of matter, the number of atoms of each element must be same on each side of a chemical equation.

Option B

Explanation:

As per law of conservation of matter, the reactants total mass should be equal to the products total mass formed in the chemical reactions. As the mass number tends to be constant in both the sides, then the count of atoms of every elements should be conserved.

This is because the count of atoms decides the mass of each element. So if the total count of atoms presented in each element at the reactant side equals with the number of atoms for the corresponding elements in the products, this will lead to conservation of matters and mass in the chemical reaction.

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

i need with 1.3.2 investigate cycling o2 and co2 apex

we need to see it