When electricity is produced from coal, the chemical energy in coal is first changed to thermal energy. True or False

(i need this answer like now cuz i have to have this test done by 5:00 and its 8:30 -.-)

Which represents the empirical formula for X4Y8? A. XY2 B. X2Y4 C. X4Y8 D. XY

How are ionic bonds formed

Which example best represents balanced forces?

If the length, width, and height of a box are 8.00 cm, 6.75 cm and 3.50 cm, respectively, what is the volume of the box in units of milliliters and liters?

Which of the following substances is NOT an alloy? a. Brass b. Bronze c. Stainless steel d. Tin

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.

What is the new concentration, after diluting 300 mL of a 1.5 M LiCl solution to 1L

The answer that he gave was wrong

In which orbital does an electron in a bromine atom experience the smallest?