An electron:

has a negative charge

is found in the nucleus

emits energy when it moves to a lower energy orbit from an excited state

has the same mass as a proton

What happens when a cell that has an internal salt concentration of 0.15M NaCl is placed into a solution of 0.01M NaCl?

You are the first person to land on mars. you find a substance and determine that is has definite volume but it takes the shape of its container. the substance is most likely water carbon dioxide gas rock the mars rover

Balance each of the following examples of heterogeneous equilibria and write each Kc expression. Then calculate the value of Kc for the reverse reaction.

Metric equivalent to 4 tbsp

What is the significance sodium hydroxide and hydrochloric acid

Which indicator will be the same color in hydrochloric acid as it is in pure water? 1. methyl orange 2. phenolphthalein 3. bromcresol green

Based on your knowledge of energy resources conservation, which of the following statements is true? a) Manufacturers can increase a light bulb's energy efficiency by using technology that decreases the amount of electromagnetic energy the bulb

Ammonia (nh3 (g), hf = - 46.19 kj/mol) reacts with hydrogen chloride (hcl (g), hf = - 92.30 kj/mol) to form ammonium chloride (nh4cl (s), hf = - 314.4 kj/mol) according to this equation:

How does an electromagnet create a magnetic field

Magnetism, reactivity, and fluorescence are three special properties used to identify minerals. true or false