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Alisiya [41]
3 years ago
10

What would indicate that a physical change takes place when copper is drawn into wire

Chemistry
1 answer:
Dominik [7]3 years ago
8 0
Hi, This change is physical because there is no new formation of a new substance or any signs of a chemical change, only the physical properties change.
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Pls help
anastassius [24]
Answer: velocity
I hope this helps
5 0
3 years ago
What is 1006 in scientific notation?
vladimir1956 [14]

Answer:

1.006 * 103

Explanation:

Add the number between 1 and 9 and add a decimal accordingly . so the answer is 1.006 multiplied by 10 raised to power 3

8 0
3 years ago
What would the expected temperature change be (in Fahrenheit) ida 0.5 gran sample of water released 50.1 J of heat energy? The s
Mariana [72]
<h3>Answer:</h3>

23.95 °C

<h3>Explanation:</h3>

We are given;

  • Mass of the sample is 0.5 gram
  • Quantity of heat released as 50.1 Joules
  • Specific heat capacity is 4.184 J/g°C

We are required to calculate the change in temperature;

  • Quantity of heat absorbed is given by the formula;
  • Q = mass × specific heat capacity × Change in temperature

That is, Q = mcΔT

Rearranging the formula;

ΔT = Q ÷ mc

Therefore;

ΔT = 50.1 J ÷ (0.5 g × 4.184 J/g°C)

    = 23.95 °C

Therefore, the expected change in temperature is 23.95 °C

4 0
4 years ago
El sistema digestivo es un grupo de órganos que trabajan juntos para?
timama [110]
El sistema digestivo es un grupo de órganos que trabajan juntos para convertir los alimentos en energía y nutrientes básicos para alimentar a todo el cuerpo.
3 0
3 years ago
In a clinical trial of a cholesterol​ drug, 314314 subjects were given a​ placebo, and 1212​% of them developed headaches. For s
iragen [17]

Answer:

The values of n, p and q are 314, 0.12 and 0.88 respectively.

Explanation:

n is the number of subjects given a placebo. The value of n is 314.

p is the sample proportion of the subjects given a placebo that developed headaches. The value of is 12% = 0.12

q is the sample proportion of the subjects given a placebo that did not develop headaches. The value of q = 1 - p = 1 - 0.12 = 0.88

3 0
3 years ago
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