How many atoms of Oxygen (O) are there in the products of the following equation:

CH4 + 2O2 - -> CO2 + 2H2O

4

1

2

3

How to identify if a natural substance is mixture or compound?

The balloon Spirit of Freedom, flown around the world by American Steve Fossett in 2002, contained 550,000 cubic feet of helium. How much PΔV work was done by the balloon on the surrounding atmosphere, assuming atmospheric pressure was 1.

During a workout at the gym, you set the treadmill at a pace of 65.0 m/min. How many minutes will you walk, if you cover a distance of 9500 ft?

Practice 14 The mass of a proton is approximately 1) 1/2000 times the mass of a neutron and a unit positive charge 2) 1/2000 times the mass of a neutron and a unit negative charge 3) 2000 times the mass of an electron and a unit positive charge 4)

Oxygen is much less soluble in water than carbon dioxide at 0.00412 g / 100 mL at 20°C and 760 mmHg. Calculate the solubility of oxygen gas in water at 20°C and a pressure of 1150 mmHg

How can sudden events effect earth?

How does magnification occur in an electron microscope?

How many grams of calcium phosphate are required to give 30 grams of phosphorus

Why can damage to a nucleic acid lead to a person not producing an enzyme?

Use the Balmer's equation to determine : (a) The frequency in per second of the radiation corresponding to n=5. 10) The wavelength in nanometers of the line in the Balmer series corresponding to n=7.