What do astronomers use to calculate the age of the universe? Check all that apply. dark energy the age of rocks on Earth the age of the oldest stars patterns of background radiation how fast distant galaxies are moving away from us

Predict the formula of magnesium argonide

The group in an experiment that is not exposed to the teased variable is called the _ group

A chiral amine a having the r configuration undergoes hofmann elimination to form an alkene b as the major product. b is oxidatively cleaved with ozone, followed by ch3sch3, to form ch2═o and ch3ch2ch2cho.

Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimental data provided. A + B yields products Trial [A] [B] Rate 1 0.30 M 0.25 M 1.2 * 10-2 M/min 2 0.30 M 0.50 M 4.

Drag each label to the correct location on the diagram. Each label can be used more than once. What is the correct way to represent the ionic compound sodium fluoride?

A series circuit has two 5.0-ohm resistors and a power source of 9.0 volts. How will the current be affected and what will it be if another resistor (with a resistance of 7.5 ohms) is added to the circuit? A. increase; 0.51 amps B. increase; 0.

Which type of reaction will occur when equal volumes of 0.1 M HCl and 0.1 M NaOH are mixed 1. Neutralization 2. Ionization 3. Electrolysis 4. Hydrolysis

What is molarity of heavy water?

Do all liquids freeze at the same rate

Convert 1.67 x10^24 atoms of carbon to moles of carbon