A crystallographer measures the horizontal spacing between molecules in a crystal. The spacing is

13.9

nm

. What is the total width of a crystal in millimeters

105

molecules across? Write your answer as a decimal.

A stone is dropped from the roof of a building; 2.00s after that, a second stone is thrown straight down with an initial speed of 25.0m/s, and the two stones land at the same time.

The process by which water changes from state to state on earth is called the

How do you make a good cup of coffee?

Is povidone a ionic or molecular compound

What is a functional group? a group of organic molecules that work together to speed up reactions a group of living things that are made up of organic compounds a group of organs in the body that work together to perform a certain function a group

Which organelles are unique to plant cells? chloroplasts mitochondria vacuoles nuclei

An atom that has 13 protons and 15 neutrons is an isotope of the element? How can I count it?

Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 chlorine, which has an approximate mass of 35 argon, which has an approximate mass of 39 silicon, which has an approximate mass of 28 I know the

How deep does the surface current known as the Gulf Stream go A. 3,000 meters B. 3 meters C. 300 meters

What characteristics of a planet determine the strength of its gravitational force on other objects? A. diameter of the planet and its location in space B. the number of moons that the planet has C.