The group number for alkali metals

What mass of water is produced from the complete combustion of 2.80*10-3 g of methane?

If solution A has twice as much solute as solution B is it possible for them to have the same concentration

g Given the reaction 4NH3 (g) 5O2 (g) - -> 4NO (g) 6H2O (g), what is the numerical value and sign in front of the change in [ammonia] over time for the rate expression of ammonia

If a gas is heated from 263 to 298 k, the volume is 24 l to 35 l at 1.00 atm pressure. what is the final pressure?

How did the eggs change when they were heated up?

Is when hot parts of the earth rise as cooler parts sink due to differences in density.

Distinguish between the structures of arteries, capillaries, and venies. what is the function of each.

Which phase of matter has a fixed volume but variable shape

Given 10.8 grams of substance Y, if the substance absorbs 231 kilojoules of energy and the specific heat of the substance is 6.55 J/g·°C, what is the change in temperature?

Which sphere includes rocks and minerals? A. atmosphere B. biosphere C. geosphere D. hydrosphere