7. Lawrencium has a half-life of 3.00 minutes. I started with a 100.0 g sample. After 45.0 minutes how

much of my sample remains Lawrencium?

Explain chemistry in own words

How many grams of cu would be needed to react with 2 mol hno3

An isotonic solution has: a) The same pH as blood b) More ions per unit volume than blood c) More water per unit volume than blood d) Osmotic pressure equal to that of blood

A gas is allowed to expand, at constant temperature, from a volume of 1.0 L to 10.1 L against an external pressure of 0.50 atm. If the gas absorbs 250 J of heat from the surroundings, what are the values of q, w, and a 9 AU

Which of the following is a possible formula unit Cao Li2B Al2Pb3 CIO

What is the independent and dependent variable of the sentence" you decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get rid of this slime by adding lemon juice.

M=40g V=31cm^3 what is the density

Write a balanced equation for the reaction of copper with silver nitrate

The compound h3po4 is named: a. nitric acid. b. sulfuric acid. c. phosphoric acid. d. ethanoic acid.

What does charles law state