I have 3.5 mol H2O. How many moles of hydrogen atoms are in the sample of water?

A) 3.5 mol

B) 1 mol

C) 7 mol

D) 13.5 mol

How can a saturated solution of a solid be made unsaturated? A). by increasing the temperature of the solvent B). by decreasing the temperature of the solvent C). by stirring the solution E). by adding more solute D).

For each event stated, indicate how the concentration of each species in the chemical equation will change to re-establish equilibrium.

Two different isotopes of the same element have : (t/f) - Equal nuclear charges - Similar radioactive decay properties - Equal mass of an atom - Different number of neutrons - Equal mass of a nucleus

Compare a humans changes during exercise to the changes that occur a during a dogs exercise when it is exposed to a hot environment

Which of the following is NOT an indicator of a chemical change? color change change in volume temperature changes gas formation

If a map of temperature displayed stripes parallel to the equator with equal temperatures at equivalent distances north and south of the equator, it would mean that only blank affected temperature.

What is the term for the amount of salts in water? Evaporation Evaporation Salinity Thermocline Density

In an acid-base titration, of 20 ml of a m HCI solution with 1 m NaOH. How many ml of NaOH are needed

Which of the following is not a source of air pollution related to human activities

Objects and substances in motion is I