What si unit is used to measure the number of representative particles in a substance?

Annabeth has 7.2 cups of cookie batter, represented by this model. If each cookie uses 0.45 cup of batter, how many cookies can annabeth make?

Which process is a chemical change? (1) melting of ice (2) boiling of water (3) subliming of ice (4) decomposing of water

What water temperature is utilized when a frostbitten part must be rewarmed (select one) ?

What must happen before a chemical reaction can begin? A) The activation energy must be exceeded. B) The activation energy must be reached. C) The concentrations of products and reactants must be equal.

Is water a compound?

The specific volume of a substance is the volume per gram of substance. Specific volume is an example of A. A physical extensive property B. A chemical extensive property C. a chemical intensive property D. a physical, intensive property

What process is used to change an unsaturated fat to a saturated fat

What are the coefficients that will balance the skeleton equation below? alcl3 + naoh → al (oh) 3 + nacl?

Balance the equation? c4h10 (g) + ? o2 (g) →? co2 (g) + ? h2o (g), using the smallest possible integers. what is the coefficient of c4h10?

What organelle stores water, food, or waste