All formulas of mole concept

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What is the total number of quarks in a helium nucleus consisting of 2 protons and 2 neutrons?

What is the relationship between the direction of oscillation of an electromagnet wave and it's direction of travel?

A population of oak trees is separated by a large canyon. Which of the following is most likely to occur? The two populations will show cospeciation. The genetic variation between the two populations will increase.

Explain the basic principles of a distillation unit operation

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.

Compared to a phosphorus atom, a P3 - ion has (1) more electrons and a larger radius (2) more electrons and a smaller radius (3) fewer electrons and a larger radius (4) fewer electrons and a smaller radius

1. Crystals of ammonium chloride, NH4Cl, seem to disappear when mixed with water. The resulting clear liquid containing ammonium chloride and water is a A) compound. B) new substance. C) homogeneous mixture. D) heterogeneous mixture. 2.

During a laboratory experiment you discover that an enzyme-catalyzed reaction has a delta G of - 20 kcal/mol. If you double the amount of enzyme in the reaction, what will be the delta G for the new reaction

A liquid mixture in which particles can be seen and easily separated by settling or filtration is a a. solution. b. suspension. c. solvent. d. solute.