znation1324
10.12.2020 •
Physics
30 points
Course Activity: Building a Device that Uses Energy from Chemical Reactions
task 1
Part A
Measure and pour a half cup (8 tablespoons) of tap water into the small container. Measure and record the temperature of the water.
Part B
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?
Part C
Measure and record the temperature of the chemical reaction.
Part D
Did the chemical reaction absorb or release energy? How do you know?
Part E
Could this chemical reaction be used for a cold pack? Justify your answer.
30 points pls I need help send a screen shot if you completed and got a good grade.
Solved
Show answers
More tips
- F Family and Home Do Lullabies Help Babies Sleep or Is it Just a Myth?...
- H Health and Medicine Tick Traps: How to Remove Them Safely and Effectively...
- S Society and Politics Why are thugs called gopniks ? A fascinating journey through Russian subculture...
- A Animals and plants Want a Perfect Lawn? Learn How to Plant Grass the Right Way...
- A Animals and plants How to Properly Care for a Pet Decorative Rabbit at Home?...
- C Computers and Internet How to Check the Speed of My Internet?...
- H Health and Medicine 10 Ways to Cleanse Your Colon and Improve Your Health...
- W Work and Career How to Write a Resume That Catches the Employer s Attention?...
- C Computers and Internet Е-head: How it Simplifies Life for Users?...
- F Family and Home How to Choose the Best Diapers for Your Baby?...
Answers on questions: Physics
- P Physics An airplane is flying east with a velocity of 120 miles per hour. It is flying with a 20 mile per hour tailwind (east). What is final velocity of the airplane?...
- P Physics WILL GIVE BRAINLIEST IF ANSWERED FIRST AND CORRECTLY...
- P Physics which of the following is a human action that could lead to decreased amounts of greenhouse gases found in the atmosphere, such as carbon dioxide? A ) Generating energy...
- P Physics A wheel with radius 0.33m and rotational inertia 2.0kgm2 spins on an axle with an initial angular speed of 3.0 rad/s .Friction in the axle exerts a torque on the wheel,...
- B Biology Explain how applied heat works between and at critical temperatures. Explain how a refrigerator works to cool down warm objects that would otherwise be room temperature....
- M Mathematics A car producer stocks three types of tires: A, B, and C. Let P(A) = 0.40, P(B) = 0.15 and P(C) = 0.45. The percentage of defective tires is 2%, 1% and 5%, respectively....
- C Computers and Technology Which of the following steps are necessary for a subquery to reference a column coming from the FROM clause in the outer query when the subquery has a column of the same...
- B Business Scott, a young professional, buys a new BMW, even though a Mercedes would have cost him less. Scott values the BMW brand. This is an example of...
- E Engineering 2. An AC current of is large enough to cause muscle contractions. a.12 mA b.35 mA с.5 mA d.100 mA...
- M Mathematics Weight of Male Dogs (lb.) The most appropriate measure of center for this data is the 4 5 DONE 5 0 2 8 6 2 8 7 2 8 8 1 9 5 811 means 81...
Ответ:
hi
Explanation:
thanks for the points
Ответ: