The methyl red solution you will use for this experiment was made using .080 grams of methyl red per liter of solution. the molar mass of methyl red is 269.31 g/mole. what is the molarity of the stock solution you will be using?

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

4. a 20-kg child is tossed up into the air by her parent. the child is 2 meters off the ground traveling 5 m/s. circle one: ke / gpe / both show your work for finding the values of each type of energy the object has: