What is the optimal level of fluoride in water?

Here is the balanced chemical equation for the combustion of isopropyl alcohol: 2C3H7OH (l) + 9O2 (g) → 6CO2 (g) + 8H2O (g) Multiplying 42 by 2/3, or 0.667, would be most useful for which calculation? A.

How many water molecules are in a block of ice containing 0.500 mol of water (H2O) ?

What dos a marine fossil in a dessert tell scientists?

If copper (II) sulfate and potassium phosphate were mixed, what would be observed of the reaction?

When KCl dissolves in water A) the Clions are attracted to dissolved K + ions. B) the Clions are attracted to the partially negative oxygen atoms of the water molecule. C) the K + ions are attracted to Clions on the KCl crystal.

What mass of nitrogen gas is required to react completely with 2.79 g of hydrogen gas to produce ammonia?

Methanol, ch3oh, is produced commercially by the catalyzed reaction of carbon monoxide and hydrogen. co (g) + 2 h2 (g) equilibrium reaction arrow ch3oh (g) an equilibrium mixture in a 2.00 l vessel is found to contain 0.0406 mol ch3oh, 0.

What is ocean crust?!

Which one of the following types of rock would weather the fastest A. Small piece of granite B. large blocks of clay C. small pieces of clay D. Large blocks of granite

A scientist has a new cough medicine by giving it to a group of course the scientist gives another group called the liquid and tells them cough medicine the people and goods are women between the ages of 20 and 30 you never a are in good health