What does the cell membrane let in an out

Arrange these steps related to climate change in the correct order. 1. Snow and ice melt. 2. Global temperatures rise. 3. Sea levels rise. 4. Sources emit greenhouse gases.

The thermosflask is an example of?

How to name a formula in chemistry

The carbon-14 activity of some ancient indian corn was found to be 7.0 disintegrations per minute (dpm) per gram of carbon. if present-day plant life has 16 dpm per gram of carbon, how old is the indian corn? (t1/2 = 5,730 yr)

Why is oil called a hydrophobic substance? a. oil is very slippery to the touch. b. oil is flammable and water puts out fires. c. oil mixes with water only at high temperatures. d. the chemical nature of oil prevents it from dissolving in water.

How much MnO2 (s) should be added to excess HCl (aq) to obtain 295 mL of Cl2 (g) at 25 °C and 735 Torr?

Why do people describe water as a universal solvent

What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurred to determine pH to detect the presence of water

You open your lemonade stand with 100 lemons, 5 bags of sugar containing 6 cups each, and 10 gallons of water (16 cups per gallon). Which statement is NOT true about the production of lemonade in your stand?

For the complete combustion of 5.6dm3 of a gaseuos hydrocarbon CxHy. 28.0dm3 of oxygen gas were used, 16.8dm3 of CO2 gas and 18.0gof liquid water were produced all gases measurement were made at stp. Determine the chemical formula of the hydrocarbon