A catalyst will

(A) alter the pathway (mechanism) of a chemical reaction.

(B) increase ∆H for the reaction.

(C) decrease ∆H for the reaction.

(D) decrease Ea for the forward reaction only

What type of bond is formed between the hydroxyl group of one nucleotide and the phosphate group of an adjacent nucleotide, forming the sugar-phosphate backbone of DNA? (19) A) glycosidic bond B) phosphodiester bond C) ester linkage D) hydrogen bond

Which is easier to remove: a valence electron from, Li or Na? Explain why.

W (g) + X (g) - -> Y (g) + Z (g) Gases W and X react in a closed, rigid vessel to form gases Yand Z according to the equation above. The initial pressure of W (g) is 1.20 atm and that of X (g) is 1.60 atm. No Y (g) or Z (g) isinitially present.

How do I write 0.466in in scientific notation using only 1 digit?

write at least two examples of objects or things for every property 1. malleability 2. hardness 3. conductivity 4. flexibility

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?

4. Calculate the final concentration if water is added to 1.5 L of a 12 M NaOH solution to make 3.0 L of a diluted NaOH solution. Your answer

Why is it possible to safely drink a solution that contains a 50:50 mixture of equal concentrations of a strong acid and a strong base, either of which, if ingested separately, would be very caustic and damaging?