Name 4 differences between chemical and physical changes

All matter contains both positively and negatively charged particles. why do most things have no net charge?

Suppose you seal 30 g of ag2o (s) in a 1.00 liter evacuated vessel, and heat it to 450 k. what pressure (of o2) would develop in the vessel at equilibrium?

Select the compound that is not organic

Which statement about a methyl functional group is correct? 1) a methyl group consists of a carbon bonded of three hydrogen atoms 2) a methyl group is polar 3) a methyl group may be negatively charged

On the basis of oxidation number consideration which of the following does not react with molecular oxygen no, n2o, so2, so3, p4o6

A student requires 2.00 L of 0.100 M NH4NO3 from a 1.75 M NH4NO3 stock solution. What is the correct way to get the solution?

Are roots or plant growth making cracks in concrete chemical or mechanical weathering?

In a particular genetic cross, the probability of the offspring having a certain traitis 3/4 Which percentage represents this probability? O 25% O 50% O 75% O 100%

A body cools from 60°C to 50°C in 10 minutes. Find its temperature (in °C) at the end of next 10 minutes

my attic keeps making sound and thombs wat does it mean iam creeped out right now it just happened and the lightbulb was shaking