What state of matter has a definite shape and volume?

What is an alloy of copper and zinc?

What is the definition of motion

An unsaturated aqueous solution of NH3 is at 90.°C in 100. grams of water. According to Reference Table G, how many grams of NH3 could this unsaturated solution contain? (1) 5 g (3) 15 g (2) 10. g (4) 20. g

Which radioactive isotopes did the Curies discover? 1) polonium and radium 2) radium and carbon-14 3) carbon-14 and uranium 4) uranium and polonium

As accurately as possible find the residual molar volume of saturated liquid water at 83 bar.

Dominic and Eva are using the same type of stopwatches to measure the time it takes for a chemical reaction to occur. They each use the same stopwatch to measure the time.

An electronic circuit element consists of 23 mg of silicon. An electric current through the circuit adds heat at a rate of 7.4 x 10-3 J/s.

If an object sinks in water it's density is less than that of water true or false

What is the main link between water in the oceans and on land

Which of the following pairs lists a substance that can neutralize H2SO4 and the salt that would be produced from the reaction? CaOH2 and Ca (SO4) 2 LiOH and Li2SO4 NH4 and NH4SO4 NH3 and (NH3) 2SO4