Is the cell thoeory a law

When using the celestial coordinate system, which of the following is not true? a) All of the stars can be observed from any location on Earth. b) Most of the stars appear to rise to the right in the sky at night.

Whats the difference from a physical change and a chemical change

A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of 21 torr at 39.9 degrees C. The vapor pressures of pure methanol and pure water at this temperature are 256 torr and 55.3 torr, respectively.

A mixture is made up of evenly spaced atoms of copper and silver. Is this mixture a solution? Explain your answer.

A client with tongue occlusion has loss of gag reflex and alterations in level of consciousness. The blood gas test shows oxygen saturation as 40mm Hg and carbon dioxide saturation as 75 mm Hg.

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda