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3 years ago

Which of the following are types of muscle? * Tendon Cardiac Smooth skeletal

Chemistry

2 answers:

Wewaii [24]3 years ago

3 0

Answer:

i'm pretty sure that the smooth,skeletal,and the cardiac are muscles.hope that helps!

Explanation:

mr_godi [17]3 years ago

3 0

Answer:

cardiac, smooth and skeletal

Explanation:

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The amount of heat involved in the synthesis of 1 mole of a compound from its elements, with all substances in their standard st

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Answer:

Explanation:

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For each pair; which has higher kinetic energy?

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Explanation:

Kinetic energy is defined as the energy obtained by an object due to its motion. Whereas energy obtained by an object due to its position is known as potential energy.

(a) When a sled is resting at the top of a hill then it means the sled in not moving. Hence, then it has only potential energy. But when a sled sliding down the hill then it is moving from its initial position.

Hence, when a sled is sliding down the hill then it has higher kinetic energy.

(b) When water is above the dam then it only has potential energy but when the water falls over the dam then it has higher kinetic energy.

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Validate how valence electrons determine the chemical reactivity of an element: give 2 examples of elements with high reactivity

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Nitrogen is more reactive than oxygen and oxygen than chlorine

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3 years ago

You can practice converting between the mass of a solution and mass of solute when the mass percent concentration of a solution

LUCKY_DIMON [66]

<u>Answer:</u> The mass of solution having 768 mg of KCN is 426.66 grams.

<u>Explanation:</u>

We are given:

0.180 mass % of KCN solution.

0.180 %(m/m) KCN solution means that 0.180 grams of KCN is present in 100 gram of solution.

To calculate the mass of solution having 768 mg of KCN or 0.786 g of KCN (Conversion factor: 1 g = 1000 mg)

Using unitary method:

If 0.180 grams of KCN is present in 100 g of solution.

So, 0.768 grams of KCN will be present in = $\frac{100g}{0.180g}\times 0.768=426.66g$ of solution.

Hence, the mass of solution having 768 mg of KCN is 426.66 grams.

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3 years ago

The pKapKa of cyclopentane is > 60, which is about what is expected for a hydrogen that is bonded to an sp3sp3 carbon. Explai

aivan3 [116]

Answer and explanation:

cyclopentadiene is more acidic than cyclopentane

hydrocarbon compound are weak acid in nature

This relative acidity is explained by the stability of

cyclopentadienyl anion which is aromatic in nature

(check the attached image file 1)

To answer this question we must look at the stability of the anions that are formed when the compound lose proton.

All the electron in the cyclopentyl anion are localized.

In contrast, the aromatic cyclopentadienyl anion is a stable carbanion as a result of its aromaticity therefore making its conjugate acid a very strong acid compare to other compounds with hydrogen attached to sp³ carbons

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3 years ago