How many atoms of phosphorus are there in 124 gram of phosphorus p4

Determine the volume of atmospheric air (at 14 lb/in.^2) needed to fill your bike tires (assuming it holds 500 mL of air) to the pressure recommended by the manufacturer (70 lb/in.^2)

What is the order of taxonomy of living things?

A student wants to prepare 250.0 mL of 0.10 M NaCl solution. Which procedure is most appropriate? (formula Molar Mass of NaCl = 58.4 g/mol) A) Add 5.84 g of NaCl to 250. mL of H2O B) Add 1.46 g of NaCl to 250. mL of H2O C) Dissolve 5.

What are ten different petroleum products that come from crude oil?

Why can a larger steering wheel be easier to use than a smaller steering wheel? A. A larger wheel has a greater mass. B. A smaller wheel has a greater mass. C. A larger wheel requires less effort force. D. A smaller wheel requires less effort force.

What does the velocity of a wave describe

Sulfur (S) has 16 protons and 16 neutrons. How many electron shells does an element of sulfur have?

Which one of the following statements about orbital energies is incorrect? A) The energy of a given orbital increases as the nuclear charge Z increases. B) In many-electron atoms the energy of an orbital depends on both n and l.

When solid lead (II) sulfide ore burns in oxygen gas, the products are solid lead (II) oxide and sulfur dioxide gas.? A. write the balanced equation B. how many grams of oxygen are required to react with 29.9 grams of lead II sulfide? C.

What are some differences between insect larvae and worms?