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Alex777 [14]
2 years ago
14

a kettle heats 1.75 kg of water. the specific latent heat of vaporisation of water is 3.34 x 106 j/kg. how much energy would be

needed to boil off the water?
SAT
1 answer:
Dmitry [639]2 years ago
8 0

Answer:  The energy needed is 5845000J

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Let f(x) = x^2 - 2x. What is the value of f(2)?
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This is stating that, if x was 2, what is the answer to the equation. 
So basically, the equation is 2^2 - 2(2) = ? 
The first step is 2 squared, which is 4, then you subtract 2(2) or 4. So 4-4 is 0. 
The value of f(2) is 0 
A would be correct.

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A food worker washes her hands before taking a torn package of dry pasta.
blsea [12.9K]

The hazard of the food worker that is most likely to make pasta unsafe to eat is;

A; Torn packaging fragments

Complete question is;

A food worker washes her hands before taking a torn package of dry pasta from the food storage area. She dumps the pasta In the stainless pot to cook.

What hazard is most likely to make pasta unsafe to eat?

A. Torn packaging fragments

B. Metal leaching from the pot

C. Pathogens from the worker’s hand

D. Soap residue from the worker’s hands

Food contamination can occur during packaging and storage of processed foods if the different quality standards that need to be followed are not observed.

Now, we are told that the package of dry pasta was torn before she put it into the stainless pot to cook. This means that ounce she washed her hands there is not likely to be any microbiological contamination but instead there will be chemical contamination that arises from fragments of the torn pasta package which could have entered inside it before putting into the cooking pot.

In conclusion, the hazard likely to have occurred to make the package unsafe to eat is called Torn packaging fragments.

Read more about food contamination at; brainly.com/question/12883271

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