What is the volume of 90.0 grams of ether if the density of ether is 0.70 g/mL?

322 l of hydrogen occupies volume of 197 l at stp. what was the initial pressure exerted on the hydrogen constant

A 0.0100 M solution of AgNO3 has a concentration of Ag ion equivalent to

A community includes A. all of the living organisms in a specific place at a specific time, B. all plants, animals, minerals, and water in a specific place at a specific time, C. only the plants in a specific place at a specific time. D.

A reactivity hazard is one that can occur from mixing chemicals or exposing chemicals to the air. True or False.

N2 + 3H2 2NH3 How many molecules of H2 are represented in the reaction? How many nitrogen atoms are represented in the reactants? How many moles of NH3 are formed?

Which of the following substances is formed deep under Earth? Chlorophyll Glucose Oil Oxygen 30 pts if someone answer right

a reagent bottle (labelled) is filled with HCL solution and the other (labelled as b) is filled with water. both liquids in the bottle are colourless. what method do you recommend to identify the acid and water?

Which of the following is NOT a chemical reaction? a. ice melts from water b. ammonia breaks up into nitrogen and hydrogen c. hydrogen and oxygen combine to make water

Which type of atom is expected in the products of this chemical reaction? C6H12O6 + 6O2? A. boron (B) B. lithium (Li) C. oxygen (O) D. helium (He)

How many moles of caco3 are there in an antacid tablet containing 0.515 g caco3?