What are blocks of time in the geological time scale called?

a. centuries

c. years

b. eras

d. days?

In order for us to taste something, the substance must be dissolved in liquid. a. True b. False

To make common salt, what does Cl combine with? * Alkali Metal Alkali Earth Metal Transitional metal Non Metal

What is the total pressure of a gaseous mixture that contains three gases with partial pressures of 0.845 atm, 120 torr and 210 mm hg? 972 torr 0.411 atm 331 torr 1175 torr?

What is the osmotic pressure of a 10 M solution of maple syrup at 25 °C?

Find the value of each of these quantities. a) C (5,1) c) C (8, 4) e) C (8, 0) b) C (5,3) d) C (8, 8) f) C (12, 6)

The SI unit for current is: joules volts ohms amps

In chemical reactions, there is a conservation of what?

If the temperature of water increases as you heat it, the temperature is the independent variable. True False

Which is made by weathering? A. sediments B. minerals C. ash D. magma

Which Of These Is An Indication That A Chemical Reaction Has Occurred? A. Freezing Of A Substance B. Melting Of A Substance C. Boiling Of A Substance D. Formation Of A Gas