Which has more molecules: a gram of co2 or a gram of h2?

Which of the following objects would have the most inertia? A. A sphere with a radius of 4 cm and a mass of 15 grams. B. A sphere with a radius of 8 cm and a mass of 27 grams. C. A sphere with a radius of 5 cm and a mass of 34 grams. D.

Determine how many grams of co2 are produced by burning 4.37 g of c4h10.

One different between mixtures and pure substance is that

What is the Molarity of a solution containing 20 grams of NaOH in 500 milliliters of solution? (1) 1 M (3) 0.04 M (2) 2 M (4) 0.5 M

Solid foods digest faster than liquids.

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.

What subatomic particle is specifically responsible for combining the atoms together to form a new substance?

A chemist reported that 100 gallons of a gas were available in a laboratory. Which property of the gas did the chemist report?

Is the water density higher than the aluminum density