Sand is made of different types of rocks. The shapes and sizes of the rocks are not all the same. Sand is a ___.

compound

solution

mixture

solute

5. You are investigating an arson scene and you find a corpse in the rubble, but you suspect that the victim did not die as a result of the fire.

The general formula for the alkanes is CnH2n+2. True False

What geometric shape is the water molecule? Tetrahedral Bent Trigonal pyramidal Linear

At 1000 K, a sample of pure NO2 gas decomposes. 2 NO2 (g) equilibrium reaction arrow 2 NO (g) + O2 (g) The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.99 atm at equilibrium.

Nvm i got it lol how do i delete

Determine the molecular weight of H2O. 18 g 18.0 g 18.01 g 18.016 g

Nonmetals gain electrons under certain conditions to attain a noble-gas electron configuration. how many electrons must be gained by the element c?

Which of these is a mixture? A. carbon b. oxygen c. air d. Carbon Dioxide

What hypothesis can you draw about penicillin

what is the height of a block with a length of 10cm a width of 5cm a mass of 50g and a density of 8.64g/cm3