True or false:

1. a drain cleaner gives off heat when it breaks down the protein in a clogged drain pipe.

2. furniture polish can be made by mixing lemon juice and mineral oil.

3. hydrogen peroxide turns into water and oxygen when poured on a cut.

4. flatbread requires more yeast than regular bread.

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Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.

What does x represent in the formula for the compound xcl4?