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tamaranim1 [39]
3 years ago
13

When the pressure of a gas is held constant, if temperature increases then

Chemistry
2 answers:
Tatiana [17]3 years ago
7 0

Answer:

Increases I had this question

Tom [10]3 years ago
7 0

When the pressure of a gas is held constant, if temperature increases then

<h3>the volume <em><u>increases </u></em></h3>

.... Hope this will help...

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A sample of iron absorbs 67.5 j of heat upon which the temperature of the sample increases from 21.5 °c to 28.5 °c. if the speci
asambeis [7]
Q = mcΔθ

67.5 = m x 0.45 x (28.5 - 21.5)

M = 67.5 / 3.15
= 21.4 g
3 0
3 years ago
Read 2 more answers
If an object that stands 3 centimeters high is placed 12 centimeters in front of a plane mirror, how far from the mirror is the
ryzh [129]

Answer:

the mirror is 12 cm away from the image

Explanation:

; the image will be virtual and it will form at 12 cm distance behind the mirror.

7 0
3 years ago
Which is a cause of polarity in water molecules? partial negative charge on the hydrogen atoms partial positive charge on the ox
Tamiku [17]

Explanation:

Water is a polar solvent as the hydrogen and oxygen atom has large difference in their electronegativities.

Oxygen atom is highly electronegative as compared to hydrogen atom therefore, it pulls the electrons of hydrogen atom closer towards itself.

As a result, two poles will create forming a partial positive charge on the hydrogen atom and partial negative charge on the oxygen atom.

Thus, we can conclude that high electronegativity difference between oxygen and hydrogen is the cause of polarity in water molecules.

7 0
3 years ago
Elements of modern periodic table are arrang in ---Group 2A elements are called ------ and group 7A element table are called....
pentagon [3]

Answer:

c) atomic number / alkaline earth metals/ and halogens

Explanation:

Elements of modern periodic table are arrang in atomic number; for its electron configuration and its chemical properties. This arrangement shows periodic trends.

Alkaline earth metals are a group of elements that are located in group 2 of the Periodic Table and are the following: Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba) and Radio (Ra).

The Halogens are the chemical elements that form group 17 (XVII A, previously used) or group VII A of the periodic table: fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At) and teneso (Ts)

8 0
3 years ago
1. The immediate surroundings of an individual
aalyn [17]

Answer:

1,b

2,c

3,d

4,g

5a

6f

7,e

Explanation:

1,environment

2,community

3,ecosystem

4,organism

5,amniotic

6,biotic

7,population

3 0
3 years ago
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