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ruslelena [56]
3 years ago
6

You are given an unknown liquid and asked to determine its identity. You can measure only one physical property. You decide to h

eat the liquid. You record that the liquid turns to vapor at 100°C. This demonstrates which physical property?
A.
melting point

B.
boiling point

C.
ability to conduct electricity

D.
malleability
Physics
1 answer:
11Alexandr11 [23.1K]3 years ago
4 0
B boiling point because you used heat and it turned to vapor so it was boiled
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Number 5 and 6 i need just give answer
sashaice [31]

Explanation:

voltage = current × resistance

5.

12 V = 4.2 A × resistance

resistance = 12 V / 4.2 A = 2.857142857... Ohm

FYI :

4.2 A would be a lot for a small electronic device like a CD player. that would be 12×4.2 = 50.4 Watt, and the CD player would get really hot.

6.

120 V = current × 12 Ohm

current = 120 V / 12 Ohm = 10 A

8 0
2 years ago
This DNA strand consists of eight pairs of nitrogenous bases. How many different sequences of eight bases can you make?
BaLLatris [955]

Answer:

assuming that there is an equal amount of each base, you can make 65,536 bases

Explanation:

Adenine(A) Guanine(G) Thymine(T) and Cytosine(C) are the 4 nitrogen bases.

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3 years ago
numerical question : what is the required heat to raise the temperature of 2 kg parrafin by 10 Celsius if 44000 joules is requir
kirill115 [55]

Answer:

The heat energy required is, E = 2200 J

Explanation:

Given,

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The energy required to raise the temperature of the paraffin by 200° C = 44000 J

Then the heat energy required to raise the temperature of the paraffin by 10° C is given by,

Since 44000 J raises temperature by 200° C, then

                              E = 44000 J / 20

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Hence, the energy required to raise the temperature of the paraffin by 10° C is, E = 2200 J

8 0
3 years ago
Ipaliwanag ang paggalang
cestrela7 [59]

paraan ito ng pagrerespeto

5 0
2 years ago
You have to run 2.2 miles in track. How far is this in feet? Note: There are
Romashka [77]

Answer: B

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3 years ago
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