Is an oreo a pure substance or a mixture and why?

What is the pH of a solution with [H+]=6.2x10-9 M?

How do you calculate mass using density and volume?

Which is the fundamental law of energy? • Energy can be transferred but cannot be destroyed. • stored energy is kinetic Energy • Energy can be transferred but cannot be conserved • Energy of motion is potential energy

Audrey pours hot chocolate into a cup. How is heat energy transferred? A) Heat from the hot chocolate moves to the cup. B) Cold from the cup moves to the hot chocolate. C) Heat energy does not move because the heat is in a liquid.

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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.

What are some positive and negative effects of the production of maple syrup on society and the environment?