In most atoms the charges of the protons and electrons cancel each other out and the atom has no what

Why is the concentration of iodine so much lower than other reactants like acetone and HCL?

How many molecules are present in 936 g of glucose (C6H12O6) ? (The molar mass of glucose = 180.16 g/mol.) A) 3.14 * 1024 molecules B) 3.129 * 1024 molecules C) 3.1229 * 10-25 molecules D) 5.195 * 1023 molecules

A metal is electrolyzed from aqueous solution by using an electrical current of 1.23 a for 2.5 hours and 3.37 grams of metal is deposited. in a separate experiment the number of electrons used for the reduction of the metal is 2. what is the metal

How are gravity and air friction related to a raindrop's terminal velocity?

By default, your numerical entry is scored as correct if it is within 1% of the correct answer. A rule of thumb is always to enter at least 3 digits for numerical questions. If the correct answer is 7.

How many atoms are in 151 g of calcium?

Which statements about the formation of the solar system are true and in a correct order? A. A black hole collapsed to form the sun; small planetary objects formed; small planetary objects collided with each other to form larger objects. B.

Which is an important step in the alternate method for balancing equations in redox reactions? a) indicating the types of bonds found in the molecules. b) determining the speed at which reactions take place.

How many moles of NH3 can be produced from 24.0 mol of H2 and excess N2

An ecosystem contains all the biotic and abiotic factors in an area. answers true or false