How can you tell which end of a molecule is positive and which is negative? How do you label the dipole-dipole relationship?

Table salt and water are examples of

Why is it necessary to include units when reporting scientific measurements?

The only positive ion found in H2SO4 (aq) is the (1) ammonium ion (3) hydroxide ion (2) hydronium ion (4) sulfate ion

When calcium carbonate (CaCO3) is dissolved in water (H2O), what happens? Group of answer choices

All of the following are chemical changes: baking a cake, rusting a nail, and forming copper nitrate from copper wire and silver nitrate. True False

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?