Calculate the mass of oxalic acid dihydrate needed to prepare 500.0 ml

What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP) ?

If the first isotope has a mass of 259.98 amu and a percent abundance of 35%, what is the percent abundance of the second isotope?

Which of the following correctly compares the uses of line graphs versus pie chart

The ground state electron configuration for sodium is: a. 1s2 2s2 2p8. b. 1s2 2s2 2p6 3s2 3p6 4s1. c. 1s2 2s2 2p6 3s2 3p4. d. 1s2 2s2 2p6 3s1.

Two different sub-atomic particles are described below: Particle X: Carries a negative charge Particle Y: Attracts Particle X Which statement is true? X is a neutron and Y is an electron. X is a neutron and Y is a proton.

What makes up rubbing alcohol?

What are the similarities and differences between protons and neutrons

Draw a structure of glycogen with two alpha (1>4) linkages and two alpha (1>6) 3 linkages between glucose molecules What advantage does a branched structure have over a straight chain polysaccharide? b.

Who invented carbon element?

what natural resources are used to make a computer? what natural resource am i using to operate a computer?