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kipiarov [429]
4 years ago
13

What energy transformations occur between the microwave oven and the meal? *

Chemistry
1 answer:
dem82 [27]4 years ago
6 0
Electrical energy turns into thermal, sound, radiant, and mechanical energy (all kinetic)
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A sample of hydrogen gas contains 4.8 x 1026 molecules of hydrogen. How many moles of hydrogen is this?
Travka [436]

Answer:

797.34 moles of H₂

Explanation:

From the question given above, the following data were obtained:

Number of molecules of H₂ = 4.8×10²⁶ molecules

Number of mole of H₂ =?

From Avogadro's hypothesis,

1 mole of H₂ = 6.02×10²³ molecules

With the above information, we can determine the number of mole of H₂ that contains 4.8×10²⁶ molecules as follow:

6.02×10²³ molecules = 1 mole of H₂

Therefore,

4.8×10²⁶ molecules = 4.8×10²⁶ / 6.02×10²³

4.8×10²⁶ molecules = 797.34 moles

Thus, 797.34 moles of H₂ contains 4.8×10²⁶ molecules.

4 0
3 years ago
Why does mass decrease when sugar dissolved in water
kap26 [50]

Answer:

Because the same amount of sugar is still there. The solid sugar crystals break apart in water as the sugar dissolves, but the individual sugar particles or molecules are still present and do not change as a result of dissolving in the water. The combined mass of the sugar and water shouldn't change.

7 0
3 years ago
1 of 15
Svetlanka [38]

Answer:

#2 The writer of "Harrison Bergeron," Kurt Vonnegut, seems to believe that the suppression of individuality within a society...

Question 3 options:

is necessary to maintain order and prevent chaos.

allows the government to unfairly subdue and control its citizens

benefits the general public by creating a more equal society

gives the people more power and influence in the government

#3 Which statement BEST expresses the theme of this short story? Narrow your choices and think carefully!

Question 4 options:

Attempting to achieve complete equality will only result in widespread dissatisfaction and lack of creativity.

The government should encourage everyone to hide their differences in order to have a more peaceful and equal society.

Forcing uniformity on people doesn't result in equality, but rather causes conflict and unhappiness.

People don't realize how important individuality is until they have what makes them different taken away.

PART A: How do the different handicaps contribute to the theme of the story?

Question 5 options:

They show how being unique can be dangerous to yourself and the people around you.

They emphasize how the most ordinary people are often the most valued in a society.

They stress how the work towards achieving total equality won't be easy or pleasant.

They illustrate how much must be done to make the most unique and talented individuals conform.

PART B: Which section from the text best supports the answer to Part A?

Question 6 options:

“He began to think glimmeringly about his abnormal son who was now in jail, about Harrison, but a twenty-one-gun salute in his head stopped that.” (Paragraph 21)

“he tried. That's the big thing. He tried to do the best he could with what God gave him. He should get a nice raise for trying so hard.” (Paragraph 39)

“And it was easy to see that she was the strongest and most graceful of all the dancers, for her handicap bags were as big as those worn by two-hundred pound men.” (Paragraph 40)

“Diana Moon Glampers loaded the gun again. She aimed it at the musicians and told them they had ten seconds to get their handicaps back on.” (Paragraph 79)

Which statement best expresses the central idea in the article "Proposed Treatment to Fix Genetic Diseases Raises Ethical Issues"?

Question 7 options:

Scientists have discovered a way to prevent genetic defects in babies, but some believe genetic development should be left to nature

Scientists have discovered a way to prevent genetic defects in babies, but some worry that the process could be used for great economic gain

Scientists have discovered a way to prevent genetic defects in babies, but the method is against many families’ religions

Scientists have discovered a way to prevent genetic defects in babies, but the process is still very risky

The primary purpose of the article is to...

Question 8 options:

inform

entertain

narrate

persuade

PART A: In paragraph 3 and paragraph 24, what is meant by the phrase “designer babies”?

Question 9 options:

Babies that are bred to be particularly attractive

Babies whose DNA has been altered to enhance a specific positive trait

Babies whose DNA has been altered to avoid disease

The biological children of genetic researchers

PART B: What detail from the text best supports the answer for Part A?

Question 10 options:

“…the research would create an egg with healthy mitochondrial DNA (mtDNA).” (Paragraph 4)

“First of all, the baby would be born with genes from three different people… (Paragraph 18)

“…we're going to allow inheritable genetic changes to make healthier children…” (Paragraph 25)

“…we’re going to allow these kinds of genetic engineering experiments to make children who are more intelligent or more athletic or have perfect pitch…” (Paragraph 25)

The primary purpose of Gavin DeGraw's song "I Don't Want To Be" is to...

Question 11 options:

inform

entertain

narrate

persuade

When DeGraw says, "I'm tired of looking 'round rooms /Wondering what I've got to do /Or who I'm supposed to be" he is saying that...

Question 12 options:

constantly reinventing himself is exhausting, so he has decided to conform to the most commonly accepted standards

conforming is easier than being a unique individual

he is no longer willing to conform to meet the expectations of whomever he is with at any given time

he doesn't care if he has any friends or not

Explanation:

ummm maybe this help

8 0
3 years ago
Which of the following accurately describes a charactic of fungi
Black_prince [1.1K]
What are your options?
3 0
3 years ago
An OH group attached to a hydrocarbon is called a _________ group whereas ______________ is a polyatomic ion with a charge of __
rodikova [14]

Answer:

sijshsjdjdjdjdjakskskkskzjzz

3 0
3 years ago
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