The half-life of carbon-14 is 5,715 years. After 29,000 years (5 half-lives) have elapsed, how much carbon-14 remains in a sample

that originally contained 0.32 g of carbon-14

A 0.0409

B. 0.0809

C 0.109

D. 0.0109

E 0209

According to the following reaction, how many moles of calcium carbonate are necessary to form 0.906 moles carbon dioxide? calcium carbonate (s) calcium oxide (s) + carbon dioxide (g)

For elements 1-20, we can use the periodic table to predict. A) An elements color B) The number of valence electrons an element has C) The number of isotopes an element has.

What is the name of this hydrocarbon? 2-butane 2-butene 2-butyne 4-butyne 4-propyne

How many protons does the largest transition metal have in its nucleus?

A normal fault is a result of a type of stress known as

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.

Use Boyle's, Charles's, or Gay-Lussac's law to calculate the missing value in each of the following. (a) V1 = 2.0 L, P1 = 0.62 atm, V2 = 1.0 L, P2 = ? atm (b) V1 = 230 mL, T1 = ?, V2 = 400. mL, T2 = 298 K K (c) V1 = 0.55 L, P1 = 740 mm Hg, V2 = 0.