How many molecules of CO2 are contained in a 10.0 L tank at 7.53 atm and 485 K?

5.69 * 1023 molecules

1.14 * 1024 molecules

4.89 * 1024 molecules

3.30 * 1024 molecules

2.28 * 1024 molecules

Where do convaection currents take place

Calculate the [oh-] in a solution with a ph of 12.52.

When is a recessive allele expressed in offspring?

Which of the following can lead to groundwater shortages? a. pollution b. use exceeding the rate of replenishment c. lack of precipitation d. all of the above

Varies in a family on the periodic table. Reactivity Specificity

Which situations will NOT increase the reactions rate of most chemical reactions A) an increase in temperature B) grind up the solute to increase surface area before mixing C) by increasing the pressure in which the reaction takes place D)

What are the three types of matter?

How might we create the best possible solution to a problem?

A runner at a track meet completes exactly one lap around a 400 m track. what is the distance? what is the displacement?

Match the following with their correct molecular weight. 2-butanone Propyl acetate 4-methyl-2-pentanone Butyl acetate Methanol Ethanol A. 46.07 g/mol B. 116.16 g/mol C. 102.13 g/mol D. 100.16 g/mol E. 32.04 g/mol F. 72.11 g/mol