During a chemical reaction atoms can be rearranged or destroyed but not created

True

False

On a hot summer day, the temperature of air in arizona reaches 102°f. what is the speed of sound in air at this temperature?

When boilingâ water, a hot plate takes an average of 77 minutesâ [min] and 5353 secondsâ [s] to boil 130130 millilitersâ [ml] of water?

A star is held together by:gravitynuclear fissionnuclear fusionacceleration

Describe the advantages and disadvantages of bilingualism in childhood. Be sure to support your answer with information you learned in the lesson.

If a star is shown to be 33.11 trillion kilometers away, how many light years would that be?

Describe how to prepare a 10.0% w/v solution of salt in water in a 100 mL volumetric flask

what is the mass of an object that is moving at an acceleration of 25 m/s squared with a force of 20 N

A janitor comes across a spilled substance on the floor of a highschool chemistry lab. he wants to make sure that the liquid is neutral before cleaning it up. what would be safest to add to the puddle? a. pour on a base b. pour on a buffer c.

If you are going 30 miles an hour in good condition, it will take how many feet to stop.

Name of group to which hydrogen belongs to