14C has a half-life of 5600 years. An analysis of charcoal from a wood fire shows that

its 14C content is 25% of that in living wood.

How many years have passed since the wood for the fire was cut?

Which of the following is the correct name for the compound S3Cl2

Why don't rockets need air to stay up, like planes do?

Let's say we have 2 Zinc atoms and 2 Sulfur atoms on one side of the equation. According to the Law of Conversation and Mass, how many Zinc Sulfide molecules would be on the other side of the equation?

Which characteristic is a property of water? A. densest as a solid B. low surface tension C. nonpolar molecules D. strong cohesion E. weak adhesion

Which substance has the lowest amount of hydrogen ions? stomach fluid vinegar coffee Household bleach

Why can't double-replacement reactions start with one reactant is a pure metal?

The reaction 2 A + B2 2 AB follows this mechanism: Step 1: A + B2 AB + B (slow) Step 2: A + B AB (fast) What is the order with respect to [B2] in the overall reaction?

How many grams of P4O10 are produced if you burn 50.0 g of phosphorus with sufficient oxygen?

Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NaOH.

Reducing the volume of a contained gas by one third, while holding temperature constant, causes pressure to A. be decreased by two thirds. B. be increased by two thirds. C. be decreased by one third. D. be increased by one third