Which of the following contains the smallest amount of matter?

25 g

2.5 hg

2,500 dg

0.25 kg

Which should give the least vigorous reaction when dropped in water?

What volume of 0.45 M LiOH would be needed to neutralize 60.0 mL of 0.15 M Hi?

When compared to the diffusion of the same concentration of pure xylene cyanol, does the precence of a second solute in the mixture affect eh diffusion rate of xylend cyanol? what does this tell you about the mechanism of diffusion?

What distinguishes high blood pressure from conditions such as arteriosclerosis and atherosclerosis? a. Arteriosclerosis and atherosclerosis can't be treated with medication. b. High blood pressure is identified by chest pain. c.

How much would you need to weigh out in order to have 0.2moles of magnesium atoms?

Audrey is driving 50 miles in 2 hours what is her average speed?

Water has a specific heat of 4184 J / (kgK) how much energy is needed to increase the temperature os a kilogram of water 5C?

A student noticed while doing the neutralization experiment that the calorimeter kept getting warmer. how would this error affect the final calculation for the δhneut of each reaction? would it be overestimated, underestimated or remain unaffected?

A solution contains 45 grams of nitrogen gas and 40 grams of argon. What is the mole fraction of argon in this solution?

How is an animal cell related to tissue and organs