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Step2247 [10]
3 years ago
9

A point of reference is anything that seems steady that is used compare the position of an object

Chemistry
2 answers:
bagirrra123 [75]3 years ago
8 0

That statement would be true

Masja [62]3 years ago
4 0

Answer:

True

Explanation:

hope it'll help!!

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If a pea plant is hybrid for height, this means that
mixas84 [53]

Answer:

A

Explanation:

By nature, a hybrid has one dominante allele and one recessive allele

6 0
3 years ago
Simple distillation diagram
tensa zangetsu [6.8K]

Answer:ccccccccccccccccccccccccccccccccccccccc

Explanation:

8 0
3 years ago
How would I use Charles's law in a sentence?
Amiraneli [1.4K]
You can explain what it means...like how gas tends to expand when heated and just tie it up with the sentence you want to make....(i dont know if that was helpful?)
6 0
3 years ago
7. An 8.92 kilogram bar of steel at 25°C is heated in order to shape it into a beam. The amount of heat energy
kobusy [5.1K]

Answer:

1279 °C

Explanation:

Data Given:

Amount of Heat absorb = 5.82 x 10³ KJ

Convert KJ to J

1 KJ = 1000 J

5.82 x 10³ KJ = 5.82 x 10³ x 1000 = 5.82 x10⁶ J

mass of sample = 8.92 Kg

Convert Kg to g

1 kg = 1000 g

8.92 Kg = 8.92 x 1000 = 8920 g

Cs of steel = 0.51 J/g °C

change in temperature = ?

Solution:

Formula used

             Q = Cs.m.ΔT

rearrange the above equation to calculate the mass of steel sample

             ΔT =  Q / Cs.m  .... . . . . . (1)

Where:

Q = amount of heat

Cs = specific heat of steel = 0.51 J/g °C

m = mass

ΔT = Change in temperature

Put values in above equation 1

                ΔT = 5.82 x10⁶ J / 0.51  (J/g °C) x 8920 g

                ΔT = 5.82 x10⁶ J /4549.2 (J/°C)

                ΔT = 1279 °C            

So,

change in temperature = 1279 °C

4 0
3 years ago
Why do bare feet feel colder on a tile floor than on a rug? Carpet prevents cold from reaching your feet. Tile conducts the heat
vesna_86 [32]
Tile conducts the cold toward your feet.

This is simple because the tile is naturally colder then carpet because of it's material.
5 0
3 years ago
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