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

Which of the following is an example of velocity? Question 15 options: A plane travelling south towards the Bahamas. A man running 7 miles per hour west. A car sitting at a stop sign? A dog running at 5 miles per hour.

How many moles of NaCl must be dissolved in 0.5 L of water to make a 4 mole/L

Question 12 2 pts A gas is initially at STP. When heated to 25°C what will the pressure be in atmospheres assuming constant volume and moles?

Convert 2,000 g/l to the unit g/ml. 200 g/ml 200,000 g/ml 2.0 g/ml 0.002 g/ml

Which energy source is a nonrenewable resource? A. oil B. sun C. trees D. wind

Match the formula for the following compound: HgO2 Mercury (IV) oxide Mercury (II) oxide Mercury dioxide Mercury oxide

In a river, long boulders are transporting by

Molar heat of condensation/vaporization of energy definition chemistry

What do different rock textures of metamorphic rock reflect

Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3