What is the type of air mass that forms north of 50 degree north latitude or south of 50 degree south latitude?

Potassium dichromate (K2Cr2O7) is used in tanning leather, decorating porcelain and water proofing fabrics. Calculate number of chromium atoms in 78.82 g of this compound.

A certain material has a mass of 565 g while occupying 50 cm3 of space. what is this material?

Determine the type of reaction: agno3 + cu - - > cu (no3) 2 + ag double displacement single displacement synthesis decomposition

NaCl is formed by a covalent bond. True False

The temperature and volume in a closed container of gas remain constant. If the number of particles of gas is increased, what will happen to the gas pressure? -it will increase -it will decrease -it will remain constant -you cannot predict it

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?

The suffix "-megaly in the term gastromegaly means: