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Gwar [14]
2 years ago
13

4. How many joules of heat are absorbed to raise

Chemistry
1 answer:
hodyreva [135]2 years ago
7 0

. How many joules of heat are absorbed to raise

the temperature of 37 grams of water from 25°C

to 75°C?

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g Alkenes and alkynes are called unsaturated compounds because ________. they have fewer hydrogen atoms attached to the carbon c
Firdavs [7]

Answer:

They have fewer hydrogen atoms attached to the carbon chain than alkanes

Explanation:

Let's compare ethane (an alkane) with ethene (an alkene) and ethyne (an alkyne):

  • Ethane's formula is C₂H₄, while ethene's is C₂H₄ and ethyne's C₂H₂.

As you can see, alkenes and alkynes have fewer hydrogen atoms attached to the carbon chain due to them having multiple bonds between the carbon atoms.

7 0
3 years ago
A __________ has distinct properties and composition that never vary.
erik [133]
<h2>Answer </h2>

Matter

<u>Explanation </u>

A matter has distinct properties and composition that never vary. The matter is anything which possesses mass and occupies space. The matter has different characteristics and a distribution that does not change from unit to unit. Materials which cannot be disintegrated into simpler materials. Each is made of only one kind of atom in subatomic level. For example, a chair, table, and similar everything that has mass and occupies space is matter.

3 0
2 years ago
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Which is the fastest in the universe apart from the light
Salsk061 [2.6K]
Well i did some research and i found out now im not sure if this is completely true but supposedly tachyons are even faster than the speed of light
3 0
3 years ago
I need help plez! Thank you!
vladimir2022 [97]
The answer should be E,C,F,B,A,D in that order.
6 0
3 years ago
Brian's aunt has cats. When Brian recently visited her, he started sneezing badly and believes that it was because
kifflom [539]

Answer:

By visiting other households with cats.

Explanation:

This will give Brian a variety of other houses and determine if it is truly cats or just alleries from other items. This is the most direct way to get Brian the answer he is looking for.

4 0
3 years ago
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