Which question can be answered using the scientific method?

A) Which dog food is best for healthy teeth?

B) What color is the most attractive?

C) What is my purpose in life?

D) Which flower smells the best?

The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 * 10-10 s-1 at 25°C. Calculate the rate constant at 48.5°C if the activation energy is 116 kJ/mol.

A 6.0M solution HCl is diluted to 1.0M How many milliliters of the 6.0M solution would be used to prepare 100. o mL of the diluted 1.0M solution?

Issues of stability. Proteins are quite stable. The lifetime of a peptide bond in aqueous solution is nearly 1000 years. However, the free energy of hydrolysis of proteins is nega - tive and quite large.

Which is the element with the highest electronegativity value? A) cesium B) helium C) calcium D) fluorine

Calculate the Kelvin temperatures of the water and record your answers in the data table.

A balloon contains 1.00 mol helium gas at STP. What will the volume of the balloon be if the pressure increases to 2.00 atm?

If 100 mL of a gas were enclosed in a buret at 500 mm Hg, what volume would the gas occupy at 1000 mm Hg at the same temperature? P1V1=P2V2

Would Mn (HPO4) 2 be manganese (II) monohydrogen phosphate?

The fundamental frequency of a violin string is 440 hz. the frequency of its second harmonic is

How much of a 15.0M stock solution do you need to prepare 250ml of a 2.35ml hf solution?