The atoms 14N7, 15N7 and 16N7 are?

A same in p

B different in n

C same in e

D isotopes

E all of these

Which genetic disease is characterized by red blood cells that are sickle-shaped instead of round? A. color blindness B. Down syndrome C. sickle-cell anemia D. Klinefelter's syndrome

Write complete ionic and net ionic equations for the reaction between sulfuric acid (H2SO4) and calcium carbonate (CaCO3). H2SO4 (aq) + CaCO3 (s) - > H2O (I) + CO2 (g) + CaSO4 (aq)

If you have 7.73 g of H 2, how many grams of N H 3 can be produced?

A 50.00 g sample of an unknown metal is heated to 45.00°C. It is then placed in a coffee-cup calorimeter filled with water. The calorimeter and the water have a combined mass of 250.0 g and an overall specific heat of 1.035 cal/g•°C.

Phosphoric acid is added to many popular beverages to give them a tart flavor. the formula of phosphoric acid is 1. h2po4. 2. h3po4. 3. hpo4. 4. h4po

How do the himalayan mountains affect the people of india

Convertible bonds are examples of: a. Securities that have characteristics of both debt and equity b. Non-recurring items c. Assets d. Treasury stock

At what temperature would the volume of a gas be 0.550 L if it had a volume of 0.432 L at - 20.0 o C?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound? A.) NiF B.) Ni3F2 C.) NiF2

Combining aqueous solutions of bai2 and na2so4 affords a precipitate of baso4. Which ions are spectator ions in the reaction?