When you use your senses to obtain information you make this

A. Experiment

B. Chemistry

C. Matter

D. Observation

List and describe, in your laboratory journal, the four forces acting on amino acids placed in water. These four forces ultimately determine the shape of a protein.

Chemistry Lab Question: Filtration Compare the size the particles of refined sand with the size of particles of the dissolved salt in the mixture? Compare the size of the pores in the filter paper, to the sizes of the sand and salt particles?

What happens to the molecules when you heat a solid

What's the mass of methanol?

If a gas is compressed from 4 L to 1 L and the temperature remains constant, what happens to the pressure?

5. Identify a suitable method that would be used to separate mixture of the follow [b]Water and ethanol c]Table salt dissolved in water d] iodine and potassium Pul the table below

How much energy is needed to convert 57.3 grams of ice at 0.00°c to water at 75.0°c? specific heat (ice) = 2.10 j/g°c specific heat (water) = 4.18 j/g°c heat of fusion = 333 j/g heat of vaporization = 2258 j/g?

A certain first-order reaction (A→productsA→products) has a rate constant of 9.90*10-3 s-1s-1 at 45 ∘C∘C. How many minutes does it take for the concentration of the reactant, [A][A], to drop to 6.

Assign the oxidation number for (NH4) 3PO4

When gold is melted and formed in a mold to make a piece of jewelry, what type of change is taking place?