In two or more complete sentences describe how atomic radius changes as you move down a group in the periodic table and why.

For the reaction A → B, the rate law is: rate = k * [A]. What is the order of the reaction? second-order first-order zero-order k-order

Which branch of musicology might study the reasons as to why you like rock music and your friend like country music?

What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH = 4.49?

What volume (mL) of a concentrated solution of sodium hydroxide (6.00 M) must be diluted to 200.00 mL to make a 1.50 M solution of sodium hydroxide?

Identify the situation where work is being done. Carrying a box of crayons across the room. Lifting a backpack off the floor Holding a football Sitting on a stool

A 75.00 g a sample of a substance is analyzed and found to consist of 32.73 g phosphorus and 42.7 g oxygen. calculate the percent composition of this substance.

Which one of the following melts the fastest: rectangular prism, cylinder, and rectangular trapezoidal trough?

A 1.8-mL volume of seawater contains about 4.0 * 10^-10 g of gold. The total volume of ocean water is about 1.5 * 10^21 L. Calculate the total worth of all the gold in the world's oceans if the price of gold is $19.

Why are numbers placed before the elements and molecules in a chemical equation?

Which of these pairs of elements have the same number of valence electrons? oxygen (O) and bromine (Br) selenium (Se) and bromine (Br) carbon (C) and lead (Pb) oxygen (O) and carbon (C) sodium (Na) and magnesium (Mg)