Daisy's dad has a mass is 70 kg, which is twice Daisy's mass. What is his weight? (Note, be sure to write in the unit. The unit is N)

What is true at STP? a. Temperature is 273.15 Kelvin. b. One mole of gas occupies one liter of volume. c. Pressure is 101 atmosphere. d. Volume is 4.2 liters.

Apply. How are kinetic and potential energy involved when using a pair of scissors?

In which case would you revise a hypothesis? A. When you have no prior knowledge of a subject B. When you do not have enough data to make a graph C. When your experiment design does not work D.

Is methylene chloride more or less dense than water?

You place air in a sealed can at standard temperature and pressure. you double its absolute temperature while leaving the volume constant. What happenes to the pressure?

Which gas has approximately the same density as c2h6 at stp no nh3 h20 so2?

Identify the combustion reaction. c4h12 + 7o2 ⟶ 6h2o + 4co2 2h2 + o2 ⟶ 2h2o al2s3 ⟶ 2al + 3s cl2 + 2kbr ⟶ 2kcl + br2

A water molecule consists of an oxygen atom and two hydrogen atoms covalently bonded in a bent shape. Oxygen however, attracts the shared electrons more strongly than the hydrogen atoms. This structure leads to which important property of water? a.

How much ko2 is needed to react with 75.0 l of carbon dioxide at - 25˚c and 215 kpa?

Is limestone a mixture or a pure substance