The catalysts in our bodies are called

33. You are given a flask that contains sea water that has been contaminated with oil. Some sand is also present in the flask. Describe how you would separate the sand, oil, sea salt, and water from each other.

A chemical reaction release 55.2 kcal. How many kilojoules does this correspond to?

A mixture of neon and oxygen gases in a balloon exerted a pressure of 2.008 atm, given that there were 4.45 g neon gas and 3.45 g of oxygen gas in the balloon, calculate the partial pressure of oxygen gas.

What is the difference between cytokinesis and mitosis

What does it mean to say the bond is polar

A friend says that temperature increases altitude increases becauses you're moving towards the sun. Is this true? Explain.

Zinc put in concertrated sodium hydroxide

how do geologists use seismic waves to locate an earthquakes epicenter

Which formula id correctly paired with its name? A. MgSO↓ = magnesium chlorine B. FeO = iron (|||) oxide C. K↓2O = Phosphorus dioxide D. CuCI↓2 = copper (||) chloride

Suppose you find a rock that contains some potassium-40 (half-life of 1.3 billion years). you measure the amount and determine that there are 5 grams of potassium-40 in the rock.