Which of these is common to all chemical changes?

A) A change of state occurs.

Eliminate

B) A change of color occurs.

C) A new substance is produced.

D) Heat is released into the air.

How many Joules are equivalent to 75 Calories?

Why the stability of No + is greater than No?

Which of the following best describes lattice energy

Identify the oxidizing agent in the reaction: 8h + (aq) + 6cl - (aq) + sn (s) + 4no3 - (aq) → sncl62 - (aq) + 4no2 (g) + 4h2o (l)

Whats the difference between biomass and fossil Fuels

Four moles of carbon monoxide (CO) has 48 grams of carbon (C) and 64 grams of oxygen (O). What is the percent composition of carbon in carbon monoxide? 6.25% 8.3% 43% 75.0%

What is the difference between potassium 39, 41, and 40

What is physical chemistry?

Which of the following happens during a solar eclipse? The moon appears red. The moon casts a shadow on Earth. Earth, the moon, and the sun form a triangle. Earth comes between the sun and the moon.

The four elements comprising over 90 of living matter are