Temperature

(°C)

Volume

(cm)

2.4

5.8

21.5

5.8

39.6

6.7

55.6

6.9

71.2

7.4

A student collected the data shown above. Row

may represent an error.

One of the following is not a factor which affect rates of reaction: a. Surface Area b. Temperature c. Concentration d. Pressure

A 15 mL sodium hydroxide solution of unknown concentration is titrated with 34.5ml of 1.2M HCl solution. What was the concentration of the sodium hydroxide solution?

Bacteria living in the soil are dependent upon which of the following abiotic factors? a. plant root structures and oxygen content b. soil temperature and water content c. nitrogen content and insect activity d.

Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 10.0 atm.? Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 10.0 atm.

The density of a mystery solid is 1.00 g/cm3. will this float or sink in pure water?

1. When adding strong base to a buffer, why can we assume the equilibrium value of the OH - is zero?

When acid (X) reacts with base (Y) to produce Mg3 (PO4) 2 - what are X and Y

During mitosis, one cell creates: one identical cell two identical cells one non-identical cell two non-identical cells

True or false : A glacier can only form in an area where more snown falls than melts

An element belongs to group 9. what common name might be used to describe the group to which this element belongs?