A block has a mass of 20g and measures 2cm*4cm*2cm, will it sink or float?

When is the small size of gas particles taken into account?

Which of the following is an example of cooperative behavior a. a lion hunting zebra b. two male peacocks fighting over a female peacock c. a hyena stealing a a cheetahs kill d. a blue jay calling to signal the presence of a hawk

Which form of the conversion factor would you use to convert 75g to kg?

Write structures for the three isomers of the aromatic hydrocarbon xylene, C6H4 (CH3) 2.

What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O - -> 4 H3PO4

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?

The fundamental frequency of a violin string is 440 hz. the frequency of its second harmonic is

How much of a 15.0M stock solution do you need to prepare 250ml of a 2.35ml hf solution?