Before a bond breaks in a chemical reaction, what happens?

A. Energy is absorbed.

B. Neutrons in the nucleus expand.

C. An atom loses its protons.

D. The products get larger.

1.11g of methane CH4 is burned in a bomb calorimeter containing 1000 grams of water. The initial temperature of water is 24.85 degrees Celsius. The specific heat of water is 4.184 J/g degrees Celsius.

The enzyme beta-galactosidase acts on lactose to form galactose. In turn, the presence of galactose leads to expression of the enzymes responsible for the metabolism of galactose. In this case, lactose is serving as a carbon source and as a (n) :

What is the solar mass of CHCI3?

Matter of the universe is made of building blocks known as atoms TrueFalse

Which of the followings are true 1,3-BPG? A. It regulates Hb B. It contains a high-energy bond C. It contains two ester bonds D. It contains a phosphate with higher phosphoryl transfer potential than ATP

Describe how the periodic table differentiates between metals and nonmetals. I need a very informative description/explanation on this.

When the ideal gas law is arranged as shown below, what property of the gas is being solved for (represented by the X) ? x equals PV over nR

Which element could chlorine bond with to form an ionic compound? helium oxygen fluorine sodium

A scientist conducted one trial experiment and got unexpected results. how can the scientist increase confidence in the results

A board measures 212 inches. How many feet is this?