Round off the following numbers to three significant figures and wrote them in scientific notation:

a) 0.00345796

b) 568.31

How many grams are in 6.95 moles of Calcium?

What mass (g) of AgBr is formed when 41.8 mL of 0.152 M AgNO3 is treated with an excess of aqueous hydrobromic acid?

If 75 grams of oxygen react, how many grams of aluminum are required?

Can sunscreen damage other organisms?

at 25c, 13.0 mg of co dissolves in 500g of water when the partial pressure of co is 0.968 bar. what is the henry's law constant for co at this temperature

What does the dashes line represent? A. Medium B. Boundary C. Normal D. Incident Ray

Only a small amount of cerium oxide nanoparticles is needed because the nanoparticles ... 1) are elements 2) are very reactive 3) have a high surface area to volume ration

Describe the solubility of water compared to ethanol?

When the free-energy change (AG) of a reaction is negative, the reaction is said to be: Endergonic Non spontaneous Spontaneous Endothermic

The solubility of carbon dioxide gas in water can be increased by