How many significant figures should be present in the answer of the following calculations: 2.5 x 1.25 x 3.5/2.01

What is the pattern in the charge for elements in each group on the periodic table?

How many eggs are present in one mole of eggs?

How do hydrosphere interact with the cryosphere

If you compare the egg to a cell, what did you learn about how water moves into or out of a cell? What about salt water? Why does the water move in the direction it does?

IPSPs (inhibitory postsynaptic potentials) a. block the efflux of potassium ions. b. are local hyperpolarizations. c. are local depolarizations. d. block the efflux of calcium ions. e. increase membrane permeability to sodium ions.

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?

Write a brief explanation about why a plant extract is a mixture

What is an element that has more valence electrons than fluorine and less energy levels than sodium?

Why can't we breathe in pure oxygen for long

In warm water conditions, female offspring hatch from eggs laid by painted turtles. Male offspring are produced under cold conditions.