The expected remaining lifespan of the Sun is thought to be about how many years?

3. How many more troops did the Union states have than the Confederate states?

What process is aided by lightning legumes and soul bacteria

Identify whether the following is an example of qualitative or quantitative data. the taste of an apple:

Choose the most appropriate reagent (s) for producing the β-ketoester intermediate by alkylation of ethyl acetoacetate with 1-bromopropane.

Aragonite, with a density of 2.9 g/cm3, has exactly the same chemical composition as calcite, which has a density of 2.7 g/cm3. Other things being equal, which of these two minerals formed under higher pressure?

How many moles of nitrogen gas are in a 10.0 L container at STP? a. 0.45 moles b. 22.4 moles c. 10.0 moles d. 6.02 x 1023 moles

In your own words, explain John Martin s theory about iron dumping.

List four common signs that a chemical reaction has occurred.

How does water evaporate from: (different things)

The molar mass of NH3 is 17.03 g/mol. The molar mass of H2 is 2.0158 g/mol. In a particular reaction, 0.575 g of NH3 forms. What is the mass, in grams, of H2 that must have reacted, to the correct number of significant figures?