Chemistry

Recently Asked Questions In Chemistry

Question
an in the template below. Include breakfast, dinner, and a snack everyday. Calculate the total
put it in the appropriate box. Then, how your meal plan supports Trey's needs in the
Answer

The meal plan should provide Trey with the necessary nutrients and energy to meet his needs.

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The meal plan should provide Trey with the necessary nutrients and energy to meet his needs. It should include a variety of foods from all the food groups,...
Question
3. If the planet can never run out of water, why is
drinking water so scarce?
Answer

Drinking water is scarce because it is not evenly distributed across the planet and is often polluted or contaminated.

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Water is a finite resource, meaning that it is not unlimited. Although the planet itself may never run out of water, the availability of clean,...
Question
9. Part B: Which of these words or phrases in the context best supports
the answer to Part A?
8
a. gave the impression
b. short
c. muscular
d. could never be defeated
Answer

A. gave the impression

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The phrase "gave the impression" best supports the answer to Part A because it implies that the character was seen as strong and powerful, which is...
Question
C. Southern kingdoms
a. none of the above
8 When did India experience its Golden Age?
|a. during the British empire
C. during the Gupta Empire
b. between 321 and 184 BC
d. in 1947
n han wac the Caste Svstem introduced in India?
Answer

During the Gupta Empire (c. 320-550 CE).

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The Gupta Empire was a period of great prosperity and cultural development in India, lasting from around 320 to 550 CE. During this period, the caste system...
Question
est yourself
1 Is each of the following reactions endothermic or exothermIc?
a) the temperature started at 21°C and finished at 46°C
b) the temperature started at 18°C and finished at 14°C
c) the temperature started at 19°C and finished at 25°C
2 Is each of the following reactions endothermic or exothermic?
a) burning alcono
b) thermal decomposition of iron carbonate
c) reaction of vinegar (containing ethanoic acid) with baking powder (sodium
hydrogencarbonate)
d) reaction of vinegar (containing ethanoic acid) with sodium hydroxide
3 a) Why does the temperature increase when an exothermic reaction takes
place in solution?
b) Why does the temperature decrease when an endothermic reaction takes
place in solution?
Answer

1. a) exothermic b) endothermic c) exothermic 2. a) exothermic b) endothermic c) endothermic d) exothermic 3. a) The temperature increases because energy is released from the reaction and transferred to the surroundings. b) The temperature decreases because energy is absorbed from the surroundings and used in the reaction.

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When an exothermic reaction takes place in solution, energy is released from the reaction and transferred to the surroundings. This energy is usually in the...
Question
Justine wants to add the following idea to the fourth paragraph (sentences 23-27).
E7.589
You can earn money for the trip wile establishing that you are
mature and responsible.
Where is the most effective place to add this sentence?
F. Before sentence 23
G After sentence 24
H After sentence 25
4
After sentence 27
Answer

G. After sentence 24

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The most effective place to add the sentence is after sentence 24, as it provides a logical transition from the previous sentence and introduces the new idea...
Question
Synthesize the following, Among the options is the idea/concept that was represented by the other options.
Independence Day
Philippine Flag
12th of June 1898
Commemoration
Answer

All options represent the concept of Philippine Independence and its commemoration.

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The options given are all related to the concept of Philippine Independence and its commemoration. Independence Day, also known as Araw ng Kalayaan...
Question
Are
Plant
ceil
autotrophic
heterotrophic?
OS
Answer

Plant cells are autotrophic.

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Plant cells are capable of producing their own food through the process of photosynthesis, making them autotrophic. Heterotrophic organisms rely on other...
Question
3 Draft Organize your short response like this.
Include specific ideas from your chart.
Short Response Organizer
To me, a hero is someone who is [name
the traits here. One person who is heroic is
Cher's name]. He/She is [describe the herol.
Your hero is heroic because he/she is
Live trait!. For example, Lgive an example of traits.
Another example of (your hero's) heroic
traits is [give trait. This was very important
when [give examples of trait]
In conclusion,
restate the main idea of how the
person fits your idea of a hero.]
Answer

Short Response Organizer: To me, a hero is someone who is brave, selfless, and determined. One person who is heroic is Malala Yousafzai. She is a young activist who fought for girls' education in Pakistan, even after being shot by the Taliban. • Your hero is heroic because she is determined to make a change. For example, Malala continued to speak out for girls' education, even after facing violence and threats. Another example of Malala's heroic traits is her selflessness. This was very important when she used her platform to advocate for others, even when it put her own safety at risk. In conclusion, Malala Yousafzai fits my idea of a hero because she embodies bravery, selflessness, and determination in her fight for justice and equality.

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The given answer describes Malala Yousafzai as a hero who embodies bravery, selflessness, and determination. Malala is a young...
Question
Question 6
Unnecessary debt, like debt on credit and store charge cards, can destroy your
investment opportunities. Why? Because you pay more in interest on your debt
than you could make on your investments.
True
False
Question
7
Answer

True.

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Unnecessary debt, such as credit card debt, often comes with high-interest rates. If you have debt with high-interest rates, you will end...
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