Explain elasticity of demand

What could account for less than 100 percent yield of co2 from your chemical reaction?

How are fossils formed A an organism is covered in sand or soil B the climate because too warm for an organism C an organisms characteristics change D sediment gardens around an organism

Rain puddle drying up, chemical or physical change

The mass of a single iron atom is 9.28*10-23 grams. How many iron atoms would there be in 91.5 milligrams of iron?

Which statement is an accurate description of the relationship of rocks and minerals

How much heat is needed to raise the temperature of 75 g of a substance by 15 C when the specific heat is 0.92 J/g-C?

A nitric acid solution flows at a constant rate of 5L/min into a large tank that initially held 200L of a 0.5% nitric acid solution. The solution inside the tank is kept well stirred and flows out of the tank at a rate of 10L/min.

How many molecules are in 237g (about a cup of water)

3. A compound was analyzed and found to contain 9.8 g of nitrogen, 0.70 g of hydrogen, and 33.6 g of oxygen. What is the empirical formula of the compound?

A 126-gram sample of titanium metal is heated from 20.0°C to 45.4°C while absorbing 1.68 kJ of heat. What is the specific heat of titanium?