What occurs in an updraft

A cool air from the east rises

B cool air from the south rises

C warm air from the south rises

D warm air from the west rises

Which are functions of the skin? check all that apply

Which weak acid would be best to use when preparing a buffer solution with a ph of 9.80?

Which of the following are oxidation half-reactions? Cr2O72 - → Cr3+ MnO4 - → MnO2 Fe2 + → Fe3+ Cl - → Cl2

If 8.20 kJ of heat is needed to raise the temperature of a sample of metal from 12°C to 29°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 34°C to 57°C?

The relative atomic mass of an element is the mass of its atoms compared with that of which element?

What is the mass of 1.70 moles of magnesium chloride, MgCl2?

A 42.0g sample of compound containing only C and H was analyzed. The results showed that the sample contained 36.0g of C and 6.0g of H. Which of the following questions about the compound can be answered using the results of the analysis?

Determine the number of equivalents if a 3.89N solution contains 0.76 L of solution

Phosphorus oxychloride has the chemical formula pocl3, with p as the central atom. in order to minimize formal charge, how many bonds does phosphorus make to the other atoms in the molecule?

Why is sodium sulphate hemihydrate called as "Plaster of Paris"?