Separating fluids, such as blood, is best accomplished using:

evaporation

crystallization

centrifugation

adsorption

Match Match the action to the effect on the equilibrium position for the reaction N2 (g) + 3H2 (g) ⇌ 2NH3 (g). Match Term Definition Removing ammonia A) Shift to the left Removing hydrogen gas B) No effect Adding a catalyst C) Shift to the right

Some chemical reactions take a very long time to go to completion or cannot be directly measured. Which law allows one to use two or more thermochemical equations to calculate the heat of a reaction indirectly?

If 2.0 liters of oxygen gas react with excess carbon monoxide at 273 K and 1.00 atm, how many liters of carbon dioxide can be produced under the same conditions? 2 CO (g) + O2 (g) yields 2 CO2 (g)

Which of the following elements are in the same period in the periodic table? A) Li & Ne B) H & Li C) Li & Mg D) Ne & Mg

How do mechanical and chemical digestion work together to break down food

The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively. 1.0066 amu 3.0160 amu 3.5903 amu 4.0026 amu

Which real world scensories below respent physical changes check all that apply

Why are bacteria are able to evolve rapidly

If 20.0 g of Pb transfers 4950 J of energy into 50.0 g of water, how much would the temperature of the water change?

Which examples demonstrate responses to stimuli? Check all that apply. A. A Venus flytrap closes on a fly. B. Large amounts of bacteria are present in a soil sample. C. A plant grows toward the sunlight. D. A rabbit has both white and black fur. E.