Convert to moles: show work

1. 6.6g (NH4) 2SO4

2. 4.5kg Ca (OH) 2

3. 25g CaO

4. 25g Fe (NO3) 3. 6H2O

5. 25g K2CrO4

Review the wind chill chart. Which identifies the wind chill for these conditions? The outside temperature is 15 degrees fahrenheit, and the wind speed is 25 miles per hour. A. 10 degrees Fahrenheit B. 25 degrees Fahrenheit C.

The partial pressure of nitrogen in air is 592 torr. Air pressure is 752 torr, what is the mole fraction of nitrogen?

Which of the following best describes a person doing science? A. Dominick uses a computer to do his math homework. B. Lindsay measures the sizes of the craters on the Moon. C. Isabel invents a new kind of doorknob. D.

Explain why lighting a sparkler is considered a spontaneous reaction even though it doesn't stat start spontaneously

Why nichrome wire is used as heating element?

Is the periodic table of the elements all of the atoms known to exist?

You hold a handful of rocks and a handful of feathers. The rocks feel heavier than the feathers, even though you hold the same amount of both.

Find the mass of 1.112 moles HF?

Consider the formation of glucose from carbon dioxide and water, that is the reaction of the photosynthesis process:

Is the animal farm poor true or false