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Fofino [41]
2 years ago
7

Students heat water in a beaker and measure its temperature. The starting temperature of the water was 23.3 °C. The diagram show

s its final temperature.What type of energy transfer occurred within the water?
Chemistry
1 answer:
serious [3.7K]2 years ago
5 0

Answer:

As heat is applied to liquid water, the molecules move faster and the temperature again increases. During the phase change from liquid to gas, the added heat is stored in the molecules as, once again, potential energy, and the temperature remains constant.

Explanation:

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When Mendel crossed a plant with green peas and a plant with yellow peas, what color peas did the offspring have?
Alexxandr [17]

Answer:

B. All offspring had yellow  peas.

Explanation:

7 0
3 years ago
How many neutrons are present in the atom of a team that has the atomic number of 50 and the mass number of 119?
Anna [14]
119 (atomic mass)- 50 protons= 69 neutrons
8 0
4 years ago
Frank pulls down on a garage door with a force of 80 N. If the door weighs 210 N, what is the net downward force on the door?
elena-s [515]

Answer:

290 N

Explanation:

Total downward force = Force applied on the door in bringing it down + weight of the door

Total downward force = 80 + 210

Total downward force = 290N

7 0
3 years ago
Read 2 more answers
Calculate the number of milligrams to 0.425 kg
sp2606 [1]

Answer:

Explanation:

as we know that 1kg =1,000,000 mg

therefore

0.425 kg= 0.425*1,000,000/1=425000

result:

0.425 kg contain 425000 mg

i hope this will help you

4 0
3 years ago
when the following redoc reaction is balances (assume acidic solution), how many moles of water appear and on what side
PolarNik [594]

8 moles of water on the right side.

An oxidation-reduction or redox reaction is a reaction that involves the transfer of electrons between chemical items (the atoms, ions, or molecules involved in the reaction).

Redox reactions: the burning of fuels, the corrosion of metals, and even the processes of photosynthesis and cellular respiration involve oxidation and reduction.

Step 1:

MnO4- ----> Mn2+

2Cl- ------> Cl2

Step 2:

MnO4- --> Mn2+ + 4H2O

2Cl- -----> Cl2

Step 3:

8H+ + MnO4- ------> Mn2+ + 4H2O

2Cl- ----->Cl2

Step 4:

8H+ + MnO4- +5e- ------>Mn2+ + 4H2O

2Cl- ----> Cl2+ 2e-

Step 5:

16 H+ +2 MnO4- +10Cl- ----->2 Mn2+ + 8H2O+5Cl2

This is the balanced equation in an acidic medium.

That is 8, right side.

To know more about redox reaction follow the link:

https://brainly.in/question/9854479

#SPJ4

8 0
2 years ago
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