Which of these are the correct base pairs of DNA?

A. adenine and uracil

B. cytosine and guanine

C. cytosine adenine

D. thymine and guanine

How much does one molecule of ethane (C2H6) weigh? anwser in units of g/molec.

How many grams of Cu will be produced when 10 grams of Al reacts with CuCl2 in the following chemical reaction? Al (s) + CuCl2 (aq) → AlCl3 (aq) + Cu (s). Use the Equation Balancer tool to balance the equation and find the mole ratio of Cu:Al.

How many protons neutrons and electrons do I need to add to get the element MN

1.) If (H+) is high, would the substance be acidic or basic? Why? 2.) If (OH-) is high, would the substance be acidic or basic? Why?

What mass of propane (C3H8) is needed to produce 346 g carbon dioxide in the following reaction?

5. Identify a suitable method that would be used to separate mixture of the follow [b]Water and ethanol c]Table salt dissolved in water d] iodine and potassium Pul the table below

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?