How could you show that dissolving salt in water is a physical change?

What happens to a gas that is enclosed in a rigid container when the temperature of the gas is increased? a. The gas particles move faster and collide more frequently, which causes an increase in pressure. b.

A gas that exerts a pressure of 6.20 atm in a container with a bolume of __ mL will exert a pressure of 9.150 atm when transferred to a container with a volume of 322 mL.

How can density be used to identify an object?

Automotive air bags inflate when sodium azide decomposes explosively to its constituent elements: 2 NaN3 (s) → 2 Na (s) + 3 N2 (g) How many moles of N2 are produced by the decomposition of 1.25 mol of sodium azide?

What type of forces must the polar water molecules break to dissolve ethanol, C2H5OH? A) metallic B) covalent bonding C) hydrogen bonding D) electrostatic attraction

If a plane is traveling300 mph how long will it take to travel 1800 miles

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Determine the number of grams of NaCl necessary to make up 100 mL of a 0.10 M solution. 0.017 g 0.58 g 1.7 g 58 g

What causes an increase in the average global temperature?

Which of the following is true regarding nuclear fission and nuclear fusion? A. Both of these processes can provide energy. B. Our sun's heat is an example of both of these processes. C. Both of these processes are equally complex to control. D.