A food worker had safely cooled a large pot of soup to 70 F (21 C) with two hours. What temperature must the soup Reach in the four hours to be cooled properly

How many calories are required to heat 867 g of water from 13°c to 87°c?

There are three groups that contain carbon but are not organic compounds: •carbon chlorides •carbon oxides •carbon iodides •carbides •carbonates

Explain the connection between a codon and an amino acid

How does earth atmosphere affect the motion of a meteroid

Using the following values of pKb, select the strongest acid from those listed in the answers. a. C5H5N (pKb = 8.75) b. N2H4 (pKb = 5.77) c. C6H5NH2 (pKb = 9.37) d. NH3 (pKb = 4.75) e. C2H5NH2 (pKb = 3.19)

Which statements describe abiotic factors in an environment?

A ball rolling across the ground in Death Valley will slow and eventually stop. Why? - the ball's kinetic energy evaporates. - the ball's force is destroyed. - the friction of the ball changed the force to negative ions.

Calculate ∆h0 for the following reaction. br2 ( g. → br2 (l) ∆hf0 br2 ( g. = 30.91 kj/mol; ∆hf0 br2 (l) = 0 kj/mol)

Ethyl alcohol has a latent heat of vaporization of 850 J/g. Water has a latent heat of vaporization of 2260 J/g. Container A contains 1.0 kg of ethyl alcohol. Container B contains 1.0 kg of water. Both liquids are brought to a boil.

The greatest composition by mass in an atom 17/8 O is due to the total mass of its