Which of the following will result in a chemical change?

A. Drying wood in a shed

B. Melting ice to obtain water

C. Burning coal in a furnace

D. Evaporating alcohol into vapor

If an instrument has 10 ml td + / - 0.01 ml written on it, the user should ... question 5 options: record 10 ml in the notebook after using it. record 10.0 ml in the notebook after using it. record 10.00 ml in the notebook after using it. record 5.

Select the correct answer. The orbital radius of Uranus is 19.22 AU. What is this distance in kilometers? (One AU is about 150 million kilometers.) A. 2,883,000 million kilometers B. 2,883 million kilometers C. 28 million kilometers D. 2.

What is the ammount if heat in joules required to increase the temperature of a 49.5 gram sample of water from 22c to 66c

Which group on the periodic table is least likely to be involved in a chemical reaction? A. group 1 B. group 18 C. group 13 D. group 17

The pH of orange juice is 5, what is the pOH?

How many valence electrons does boron need to be stable?

What is the Bronsted-Lowry definition of a base?

When the skateboarder reaches the top of the half-pipe, what type of energy is at it's maximum?

Does anyone know any good science fair projects for 8th grade? It will mean a lot if u do! Need one asap

If a 1.50 L gas sample is held at a constant temperature, and its pressure is changed from 2.30 atm to 3.60 atm, what will the final volume be?