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Oxana [17]
3 years ago
5

 121.6 G of water was brought to a boil(100°C) after having 23750 J of heat applied. If the specific heat of water is 4.18 J/G

°C, what was the initial temperature of the water?
A. 153.3°C
B. 46.7°C
C. 53.3°C
D. 146.7°C
Chemistry
1 answer:
Sergio [31]3 years ago
8 0

Answer: did you get the answer ?

Explanation:

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This chart shows the experimental design of four students who are all observing what kind of bird seed birds tend to eat more of
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Answer:Student 2

Explanation:

Student 2 repeated the experiment several times with different seeds to make sure the experiment would come out with the same answers and was reliable, using the same area would make sure the environment wouldn't interfere. The other students didn't do all the things that student 2 needed for the experiment.

4 0
2 years ago
Read 2 more answers
Write a ground state electron configuration for each neutral atom
Gre4nikov [31]

Answer:

Pb[lead] [Xe]4f^145d^106s^26p^2

U[uranium] 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4e^14 5d^10 6p^6

7s^2 5f^4

This notation can be written in core notation or noble gas notation by replacing the

1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4e^14 5d^10 6p^6

7s^2 5f^4

with the noble gas [Rn].

[Rn]7s25f4

N[nitrogen] The full electron configuration for nitrogen is 1s^2 2s^2 2p^3.

Ti[titanium] Ti2+:[Ar]3d^2

Ti:1s^2 2s^2 2p^6 3s^2 3p^6 3d^2 4s^2

1s^2 2s^2 2p^6 3s^2 3p^5 = 17 electrons

(1) electron gain will result to a

negative charge (−), and

(2) electron loss will result to a positive charge (+),

1s^2 2s^2 2p^6 3s^2 3p^6 = 18 electrons

Hg[mercury] You should then find its atomic number is 80. It has a Xe core, so in shorthand notation, you can include [Xe]instead of

1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^6 4d^10 5s^2 5p^6,

for 54 electrons. For the 6th row of the periodic table, we introduce the 4f orbitals, and proceed to atoms having occupied 5d orbitals. We, as usual, have the ns orbitals, and n=? for the 6th period?

Mercury has a regular electron configuration. It becomes:

[Xe]4f145d106s2

Explanation:

socratic.org helped me! I'm really sorry if this is wrong!

6 0
2 years ago
How do i feel loved by someone else
Anastaziya [24]

Answer: Bb you are loved and they may not be right for you and I’m sorry if there’s something going on you can message me but trust me you are loved!!

Explanation:

5 0
2 years ago
Vanessa made a list comparing the differences between the outer coverings in plants and animals, but she made a mistake. Read th
jekas [21]

The difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane

<h3>What is a cell?</h3>

A cell is the structural and functional unit of an organism which is capable of existing alone as it contains organelles that perform specific functions.

The plant cell is covered by a rigid cell wall which contains cellulose as its outer covering.

The animal cell contains not cellulose cell wall at its out covering but instead it is covered by a cell membrane.

Therefore, the difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane.

Learn more about cell here:

brainly.com/question/18243320

#SPJ1

5 0
2 years ago
What’s the independent variable, dependent variable, experimental variable and constant?Scenario #1: Traci thinks that instrumen
saw5 [17]

Answer:

independent variable- instrumental music

dependent variable- Number of stacks of papers made

experimental variable- Group A has instrumental music

playing

constant- same task,

Explanation:

3 0
3 years ago
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