If a nucleic acid is found to contain 20% a and 20% t, the molecule is probably:

A chemist adds 150.0mL of a 0.12/molL aluminum sulfate Al2SO43 solution to a reaction flask. Calculate the mass in grams of aluminum sulfate the chemist has added to the flask. Round your answer to 2 significant digits.

The sum of the protons and the neutrons in an atom equals the?

Which would slow down a reaction that is occurring in a solution at 25 degrees Celcius? Question 11 options: increase the air pressure above the solution add a catalyst put the solution over ice add 10mL of water at 30 degree Celcius

Is plastic is substance, homogenous or heterogineous mixture

Using the periodic table how do you find the number of electrons

A small 15 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

Liquid water is heated until it boils and becomes water gas. Which statement is true about the water?

You are conducting an experiment on plant growth. You take a plant fresh from the soil that weighs 5 kilograms (kg). Then you dry the plant overnight and determine the dry weight to be 1 kg.

What is the ratio of Fe+3 ions to O2 - ions in a neutral compound? a. 1:2 b. 2:1 c. 2:3 d. 3:2

What is the specific heat capacity of a 17.5g sample of an unknown metal that releases 6700J of heat when it cools from 90 to 25 degrees C?