when sodium carbonate is dissolved in water, it doesn't dissociate, or break up, completely. There is always some sodium carbonate in solution. Knowing this, which of the two samples is most alkaline?

What is the speed of a bobsled whose distance-time graph indicates that it traveled 115m in 26s?

Why will external fluid flow into a plant cell? because the external water concentration is greater because the external water concentration is less because the external salt concentration is greater because the external salt concentration is less?

What is the purpose of the rice paddies and how they are used? (Site 1)

Complete combustion of a compound containing hydrogen and carbon produced 2.641 g of carbon dioxide and 1.442 grams of water as the only products. the molar mass of the hydrocarbon is 88.1 g/mol. what are the empirical and molecular formulas?

What are the malleus, incus, and stapes are collectively called?

The density of copper is 8.9 g/ml. How many Cm of copper are in 0.283kg of copper?

The molar volume of oxygen, O2, is 3.90 dm3 mol-1 at 10.0 bar and 200 degree centigrade. Assuming that the expansion may be truncated after the second term, calculate the second virial coefficient of oxygen at this temperature.

Why is the dissolving process important?

Suzie Q wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height.

zinc metal can be obtained from zinc oxide zno by reacting the oxide with the element carbon the products of the reaction are Zn and CO2 what mass in grams of zinc oxide is needed to react completely with 5.00 mol of carbon