How to classify chemical reactions

An organic acid is composed of carbon (45.45%), hydrogen (6.12%), and oxygen (48.44%). Its molar mass is 132.12 g/mol. Determine the molecular formula of the compound.

List some ways you can separate a mixture into different substances? example: i have a bag of iron filings and sand how do i separate them?

Atoms of different elements have different numbers of protons. true or false.

Consider an experiment in which an aluminum soft drink can and a steel soup can are left outside for a few days. Use your knowledge of the corrosion of steel and aluminum to predict how they would look different after a week exposed to rainy weather.

How many blue beads would I need to balance the equation of MgC12+2NaF->MgF2+2NaC1

What device changes mechanical energy into electrical energy? Question 4 options: transformer generator copper wire light switch

Reaction rates are affected by how often the particles collide true false

A 25 N and 5 N force pull to the right. Friction is 10 N. If the object is 5 kg, find the net force and acceleration.

What properties of matter are intensive independent of their size

What is the density of an object having a mass of 8.0g and a volume of 25cm3