What happens when you change the composition of a mixture and a compound

What the symbol for the oxygen isotope with 10 neutrons?

Which one has the greatest mass? 1. 3.55 mol O atoms 2. 4.52 g O atoms 3. 0.0032 kg O2 molec 4. 7.39 * 1023 O2 molec

Factors that limit technological design are called?

Combustion of gasoline in automobiles produces poisonous gases. Catalytic converters that contain solid platinum, palladium, and rhodium change these poisonous gases into harmless gases.

How is the temperature of a liquid substance affected when it is freezing? A) it increases B) it decreases C) it stays the same

Heat is an exchange of internal energy from one system to another due to A. a temperature difference between the systems. B. one system being gas and the other being solid. C. the systems having the same temperature. D.

Sierra did 500 J of work to move her couch. If she exerts 250 N of force on the couch, how far did she move it? (Work: W = Fd) 0.5 m 2 m 250 m 750 m'

Lead (ii) sulfide (pbs) has a ksp of 3.0 * 10-28. what is the concentration of lead (ii) ions in a saturated solution of pbs? 1.7 * 10-14m 1.5 * 10-14m 3.0 * 10-14m

A 2.17 gm sample barium reacted completely with water what is the equation for the reaction how many milliliters of dry H2 evoled at 21degree celcius and 748mm of Hg?

What does it mean for data to be continuous?