Chemistry, 11.02.2021 03:10, macimitchell

PLEASE HELP ME ON THIS QUESTION IF YOU HAVE A COUPLE MINUTES Measure and pour a half cup (8 tablespoons) of tap water into the small container. Measure and record the temperature of the water.

Add 2 teaspoons of baking soda and 2 teaspoons of citric acid to the foam cup. Add the half cup of water to the cup and stir. Is a chemical reaction taking place? How do you know?

Measure and record the temperature of the chemical reaction.

Did the chemical reaction absorb or release energy? How do you know?

Could this chemical reaction be used for a cold pack? Justify your answer.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 06:30, themajesty9898

The minerals found in bones are deposited by living cells called

Answers: 1

continue

Chemistry, 22.06.2019 12:00, daytonalive83481

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

Answers: 1

continue

Chemistry, 22.06.2019 17:10, hahahwha

Acalorimeter is to be calibrated: 51.203 g of water at 55.2 degree c is added to a calorimeter containing 49.783 g of water at 23.5c. after stirring and waiting for the system to equilibrate, the final temperature reached is 37.6 degree c. specific heat capacity of water (s = 4.18 j/g∙degree c). calculate the calorimeter constant. (smδt)warm water = -[(smδt)cold water + (calorimeterδtcold water)]

Answers: 2

continue

Chemistry, 22.06.2019 18:00, ambarpena14

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Answers: 2

continue

Do you know the correct answer?

PLEASE HELP ME ON THIS QUESTION IF YOU HAVE A COUPLE MINUTES Measure and pour a half cup (8 tablesp...