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ale4655 [162]
4 years ago
7

What happens when a cold drink sits in a hot room?

Chemistry
2 answers:
vekshin14 years ago
8 0

Answer:b it gets warmer

Explanation: from the surface of the object holding the drink then transfers through the liquid by convection. ... This causes the molecules in the food to vibrate rapidly and produce thermal energy (heat)

xz_007 [3.2K]4 years ago
6 0
Answer is b it gets warmer
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CSC Unit 3
Lilit [14]
Trigonal pyramidal has 1 lone pairs and 3 bonds so it is D. PH3
Work: You have to calculate amount of valence electrons for each molecule by looking at the group number and skipping the transition metals. Then you make your Lewis dot structure and see which fits the correct shape. Looking up a molecular geometry chart can help.

3 0
3 years ago
A piece of wood near a fire is at 23°c. it gains 1,160 joules of heat from the fire and reaches a temperature of 42°c. the speci
Alex73 [517]

The mass of the piece of wood is 35.58 g.

Joule = M × T × C

Where, M = mass

T = change in temperature(42C-23C=19 C)

C = specific heat capacity = 1.716 joules/gram

Substituting the values in the equation,

1160 = M × 19 × 1.716

M = 1160/32.604 = 35.58 g

Therefore, the mass of the piece of wood = 35.58 g

<h3>What is meant by specific heat capacity?</h3>

A material's specific heat capacity, which is defined as its heat capacity divided by its mass, determines how much energy is required to increase a gram's temperature by one degree Celsius (or one Kelvin)

<h3>What is mass?</h3>

Mass is the quantity of matter in a physical body.

To learn more about specific heat capacity visit:

brainly.com/question/1747943

#SPJ4

7 0
1 year ago
PLEASE HELP ME ASAP!!!!!! YOU GET 10 POINTS!!!!!!
Semmy [17]

Answer:

Here is the ANSWER KEY, it may also has other of the questions you don't know :)

Explanation:

https://sciencewithhorne.weebly.com/uploads/5/7/3/5/57358947/unit_11_hw_key.pdf

3 0
3 years ago
All of the following are examples of a heterogeneous mixture EXCEPT:
CaHeK987 [17]
I think the answer is either a or d i haven't taken that class in awhile but if i were to pick one it would be D

3 0
3 years ago
Read 2 more answers
How many moles of C are formed upon complete reaction of 2 mol of B according to the generic chemical reaction:
dimaraw [331]
That would be 1 becuase A is N while B has its own value, so if B is 2 and That equals C A would be 1
3 0
2 years ago
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