you go out to dinner and the bill comes to $35.51. how much should you tip if you want the tip to be 20.0% of the bill?

The reaction in which hydrogen and oxygen are produced by running an electric current through water is an example of

How can you describe the electrical charge of an ionic compound

The Sun always shines on half of the Moon. During a new moon, the Moon looks dark. Where is the lit side of the Moon during a new moon? A. The lit side faces half away from the Earth. B. The lit side faces away from the Sun. C.

How Mendeleev organize the periodic table?

Where is the body's temperature-regulating "thermostat" that can be reset upward in response to pyrogens located?

The density of iron = 7.86 g/cm^3, what is the volume of 150g of iron

What alkyl halide forms the following alkene as the only product in an elimination reaction?

How many grams of Mg are needed to react completely with 3.80 L of a 2.50 M HF solution?

What is the ratio of carbon, hydrogen, and oxygen in most carbohydrates?

Radium-223 is a radioactive isotope with a half-life of 11.4 days. how long (in days) will it be before 87.5% of the sample has decayed?