**PLEASE HELP ASAP ITS A TEST AND DUE SOON, I WILL GIVE BRAINLIST.** •2KCIO3 + 2KCI+ 302

What volume of oxygen gas (O2) does 30.0 grams of potassium chlorate (KCIO3) produce at STP based on the equation shown?
A)8.23 L
B)4,63 L
C)9.98 L
D) 1.16 L

•What is the mass of 14.6 L of CO2 (g) at STP?
A)31.1 g
B)49.0 g
C)13.4 g
D)28.7 g

What must occur for air masses to form fronts

Which of the following statements is true about energy quantization at the atomic level? electrons in the outermost orbits are the most stable. electrons in all the orbits around the nucleus have the same amount of energy. electrons in the orbit closest to the nucleus have the least amount of energy. electrons absorb or release the same amount of energy independent of the energy levels.

What two categories of toxins were present in the air at dish, texas as a result of the gas pipelines that pass through the area