What carries more information low frequency radio waves or high frequency waves

In a nuclear reaction, the energy released is equal to 5.4 x 1015 joules. Calculate the mass lost in this reaction. (1 J = 1 kg m2/s2) 6.0 x 10-2 kg 4.86 x 10-1 kg 1.8 x 10-1 kg 1.62 x 102 kg

What are biotic factors in a ecosystem

The addition of heat energy to a system always causes the temperature of that system to increase. True False

2. An alkane has a relative molecular mass of 58, determine its molecular formula.

Solve the below problem. How many liters of ammonia gas (NH3), can be formed from 54.1 liters of hydrogen gas (H2) at STP? 3H2 + N2 - - > 2NH3 Question options: 36.1 liters NH3 81.1 liters NH3 44.8 liters NH3 27.1 liters NH3

Assuming that air contains 78 percent N2, 21 percent O2 and 1 percent Ar, all by volume. How many molecules of each type of gas are present in 1.0 L of air at STP?

Two children are playing tag. Child A who is doing the chasing can run 100m in 24 seconds Child B is running away from child A and can run 64m in 21 seconds.

What ion does a base increase

What is the definition of Amplitude?

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated to optain the crystals.