How many atoms are there in 1.3 x 10^22 molecules of N (O) 2

If a hypothesis is rejected by the observations from an experiment, then the experiment

Suppose 13.00 mL of 0.100 M barium hydroxide is required to neutralize 17.00 ml of nitric acid with an unknown concentration. What is the concentration of the nitric acid. Express your answer in mol/L

Why do scientist sometimes discard theories? A - the steps Scientific met that were not followed in order B - public opinion disagrees with the theory C - the theory is opposed by the church D - contradictory observations are found E - congress

A 60.0 N performer performs a high wire act of 5.0 m above ground. About how much gravitational potential energy does the performer have?

which of the following steps of the scientific method involves stating a relationship but not proposing an explanation for the relationship? a) hypothesis b) scientific law c) theory d) observation

How do find the volume of 60.0g of ether if the density is. 70g/mL?

A population of crabs live on a light-colored sandy beach. In this environment there is a population of birds that eat the crabs. One year, there is a volcanic eruption near the beach and dark volcanic ash covers the beach.

It would take one light year to travel to the sun? True or false?

A specific, electrically neutral atom of boron has 5 protons, 5 electrons, and 6 neutrons. what is the mass number of this atom of boron? 6 5 11 16

When does hail happen?