How many iron atoms are in 5.4 mol of Fe203?

Before fertilization what happens to the secondary oocyte

At a certain temperature the vapor pressure of pure heptane C7H16 is measured to be 454. mmHg . Suppose a solution is prepared by mixing 102. g of heptane and 135. g of chloroform CHCl3 .

Which term describes this reaction? addition condensation elimination substitution

During a chemical reaction, the temperature in a beaker decreased every minute by the same number of degrees. The temperature was 63degreesF at 11 :30 a. m. By 11 :54 a. m., the temperature had dropped to minus12degreesF.

In CaF2, the oxidation number of Ca is, and that of F is.

Which mineral test was used if a geologist refers to a mineral as metallic? Streak Hardness Luster Magnetism

Sulfur reacts with oxygen to form sulfur dioxide (SO2 (g), Delta. Hf = - 296.8 kJ/mol) according to the equation below. Upper S (s) plus upper O subscript 2 (g) right arrow upper S upper o subscript 2 (g).

A particle accelerator is used to accelerate particles, at high speeds until the particles fuse together and create a new element

Suppose you will fill a glass with ice cubes. When the ice cubes melt, is the glass still full

Small differences between parents and offspring accumulate over time. This process A. prevents parents from being able to care for their offspring. B. results in only one type of organism that has the exact same characteristics as its ancestors. C.