A particular compound has the empirical formula CH2O. its molar mass is 240.0 g/mol. predict the molecular formula for this compound.

A substance requires 50.0 J of heat to raise its temperature by 6.00°C. If the mass of the substance is 5.00 g, what is the specific heat of the substance? 1.67 J/gºC

What is meant the term hydrocabron

For the reaction cl2 + 2kbr → 2kcl + br2, how many moles of potassium chloride are produced from 331.1 g of potassium bromide?

Net ionic equations for potassium sulfate plus calcium phosphate yields

A mixture is made by mixing 50.0 ml of 0.200 m hcl and 50.0 ml of water. what is its ph?

What should I do for the science fair?

Which compounds yield hydrogen ions as the only positive ions in an aqueous solution? (1) H2CO3 and HC2H3O2 (2) H2CO3 and NaHCO3 (3) NH3 and HC2H3O2 (4) NH3 and NaHCO3

4. How does the kinetic theory of gases explain the weather changes happening in the troposphere? You can also research on the Internet using keywords such as troposphere, atmospheric layers, and weather changes.

Is the earth older than any of they rock layers

What will be the charge of sulfur