Which event might limit a cattail population

Convert 1365.4 joules into kilocalories

If element X has 36 protons, how many electrons does it have?

Potassium sulfate has a solubility of 15 g/100 g water at 40°C. A solution is prepared by adding 47 g of potassium sulfate to 150 g of water, carefully heating the solution, and cooling it to 40°C. A homogeneous solution is obtained.

A type of wood known as white pine has a density equal to 0.50 g/cm^3. What is the mass of a block of white pine that has the dimensions 5.0 cm by 10.0 cm by 200.0 cm?

Why is rain water slightly acidic

If the amount of atoms of each type on the left and right sides of a reaction differ, what must be done to balance it? A. It should be left alone B. Coefficients are placed in front of the reactants and/or products C.

All metals a melt at high temperatures b conduct heat and electricity c contain iron d react with air and water

Predict the following chemical formula for a compound between calcium and chlorine.

Two pieces of silk have an electric charge after being rubbed on a piece of amber. What will happen when the two silk pieces are brought close together? A. They will repel one another. B. They will attract one another. C.

The chemicals formula of glucose is c6h12o6. what are the names of the elements in glucose and how many atoms of each element are present in glucose molecules