Tungsten-187 has a half life of 1.00 days. How much of a 10g sample will be left after 1 day, 2 days, 3 days, 4 days, 5 days, 6 days, and 7 days?

A compound of nitrogen and oxygen is found to contain 30.45% nitrogen and 69.55% oxygen. Determine the empirical formula.

How do organisms interact with each other and how can one organism be dependent upon other species

Determine the pH of a solution that results from the reaction of 75.0 ml 0.135 M hydrobromic acid with 95.0 ml of 0.115 M potassium hydroxide.

Write a procedure that you would follow to demonstrate the effect of increasingly higher concentrations of hydrochloric acid on its rate of reaction with antacid tablets.

Which is an example of a heterogeneous catalyst? amylase catalytic converter food preservatives amino acids

Substances with strong intermolecular bonds vaporize _ than those with weaker bonds. faster more easily at the same rate slower

How many dozen kernels of corn are in a 50 pound bag of corn

How does magnesium obey the octet rule when reacting to form compounds

Is heat conductivity a physical or chemical property?

When 5800 joules of energy are applied to a 15.2-kg piece of lead metal, how much does the temperature change by