Carbon reacts with hydrogen to form methane according to this reaction:   C   + 2H2 –> CH4 Assume that you only obtained 20 grams of methane in the above reaction (having reacted 20 grams of carbon with 20 grams of hydrogen). What is the percent yield of the reaction?

Large volumes of bottom sediments may be transported long distances by ____.

Start with this balanced equation: KMnO4 + 8HCl + 5 FeCl2 –> 5 FeCl3   + MnCl2 + 4H2O + KCl Give two ratios for the relationship between HCl and FeCl3. An example of a ratio is xHCl : yFeCl3 where x and y are numerical values.

Balance the following equation. If the coefficient is one, put 1 in the answer block.   [ans1] PCl5   + [ans2] H2O –> [ans3] H3PO4 + [ans4] HCl

How many moles are present in 977.4g of NaHCO3?

The pycnocline can occur at the same range of depths as a halocline.

An example of terrigenous sediment is the manganese nodule.

Write the molecular formula for each compound: nitrogen dioxide  [blue4] dioxygen difluoride  [blue5] sulfur hexafluoride  [blue6]

The power for tropical cyclones comes from ____.

Identify which element(s) have covalent bonds. Answer Yes if they have covalent bonds and No if they do not. C2H6  [green4] SO3  [green5] Ca(OH)2  [green6]