Has colored salts that will produce colored aqueous solutions

a. F

b. Li

c. Fe

d. He

e. Si

Which of these is NOT a physical change? A. Candle burning. B. Evaporation of water. C. Magnetisation of iron.

The pressure in car tires is often measured in pounds per square inch (lb/in. 2), with the recommended pressure being in the range of 25 to 45 lb/in. 2. Suppose a tire has a pressure of 34.5 lb/in. 2. Convert 34.5 lb/in.

How many liters of fluorine gas are needed to form 879 L of sulfur hexafluoride gas if the following reaction takes place at 2.00 atm and 273.15 K

What is the wavelength of a wave with a velocity of 50 m/s and a frequency of 5Hz A 250 m B 0.1 m C 10m D 0.01 m

There are around muscles in the human body 640 250 100

Are needed to digest food in the stomach

What is the volume of 2.1 moles of chlorine gas at STP?

If one starts with pure NO2 (g) at a pressure of 0.500 atm, the total pressure inside the reaction vessel when 2 NO2 (g) ⇌ 2 NO (g) + O2 (g) reaches equilibrium is 0.674 atm. Calculate the equilibrium partial pressure of NO2.

Mrs. Jones is pushing her daughter in a stroller. If the stroller has a mass of 5 kg and it is accelerating at 2 m/s2, what amount of force is Mrs. Jones applying to the stroller? N (free response)

Which kelvin temperature is equal to - 73 Celsius