What is the difference between an onion cell and the cheek cell

How many liters of fluorine gas can react with 32.0 grams of sodium metal at standard temperature and pressure? show all of the work used to find your answer. 2na + f2 yields 2naf?

What is the value of DeltaG in a spontaneous reaction

An initial mixture of nitrogen gas and hydrogen gas is reacted in a rigid container at a certain temperature by the reaction At equilibrium, the concentrations are [H2] 5.0 M,[N 2] 8.0 M, and [NH3] 4.0 M.

How do scientists use sonar to study earth's oceans? to measure water density to measure underwater earthquakes to map ocean currents to map the ocean floor

It took 4.5 minutes for 1.0 l helium to effuse through a porous barrier. how long will it take for 1.0 l cl2 gas to effuse under identical conditions?

G oil of wintergreen, c8h8o3 is prepared when methanol, ch3oh, is reacted with salicylic acid, c7h6o3. what is the percent yield of a reaction in which 15.3 g of oil of wintergreen is collected after 16.

How can a neutral atom become a positively-charged particle?

Mineral oil can be used in place of mercury in manometers when small pressure changes are to be measured. What is the pressure of an oxygen sample in mm of mineral oil if its pressure is 28.5 mm Hg? (d of mineral oil = 0.88 g/mL; d of Hg = 13.

To identify an unfamiliar organism, you could use a field guide and an

What is the value of Kw at 25°C? 1.0 x 10-14 1.0 x 10-7 1 7 14