What is the part of an atom that is mostly empty space is the

1 Which type of reaction occurs when H + (aq) reacts with OH - (aq) ?

Calculate the volumeof 1.0M NaOH necessary to completely neutralize 100mL of 0.50M of phosphoric acid (H3PO4) ?

The mass of the ocean is about 1.8 1021 kg. if the ocean contains 1.076% by mass sodium ions, na+, what is the mass in kilograms of na + in the ocean?

The magnitude of an earthquake can range from less than 1 to at least

Will give everything positive if answered right Which of the following are physical properties of matter? A. size, shape, and color B. phase of matter and temperature C. density, solubility, and hardness D. all of these

One kilogram (1 kg) of a 2.5% ki solution

Two hydrogen atoms form a hydrogen molecule when

When a Comet is near the sun, what happens to the nucleus

Arrange the following carboxylic acids inorder of decreasing acid strength. Rank from strongest to weakest acid. To rank items as equivalent, overlap them. CHCl2COOH, CH3CH2COOH, CH3COOH, CH2ClCOOH

A beaker of 25 ml water is heated to 200 degrees fahrenheit what is the equivalent temperature in degree celsius