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3 years ago

Which phrase best describes heat?

Chemistry

1 answer:

leva [86]3 years ago

5 0

Answer:

C is the answer hoped I helped you have a awesome day by

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All the following steps need to be followed when naming alkanes, except

goldfiish [28.3K]

Begin numbering at the end closest to the first branch, not the farthest.

6 0

4 years ago

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Which of the following types of electromagnetic radiation have higher frequencies than visible light and which have shorter freq

natta225 [31]

Answer:

Higher frequency than visible light - Ultraviolet light, X-rays, and Gamma rays

Lower frequency than visible light - Infrared radiation, microwaves, and Radio waves

Explanation:

The frequencies of electromagnetic radiations vary according to their wavelengths. The relationship between the frequency and wavelength of the waves is expressed such that:

λ = c/f, where λ = wavelength, c = speed of light, and f = frequency.

Thus, there is an inverse relationship between the wavelength and the frequency of electromagnetic waves.

The order of the electromagnetic waves based on their frequency from the lowest to the highest is radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma-rays

Hence, electromagnetic waves with higher frequencies than visible light include ultraviolet light, X-rays, and Gamma rays while those with lower frequencies include Infrared radiation, microwaves, and Radio waves.

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3 years ago

Match the formula for the following compound: iron (III) sulfate

SIZIF [17.4K]

Answer:

Explanation:

Its chemical formula is Fe2(SO4)3

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4 years ago

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Element in the periodic table are arranged by

lyudmila [28]

elements in the periodic table are arranged by the atomic number of the element

6 0

3 years ago

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Combustion of hydrocarbons such as butane (C4H10) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Earth's a

sweet-ann [11.9K]

Answer: $2C_4H_{10}(g)+13O_2(g)\rightarrow 8CO_2(g)+10H_2O(g)$

Explanation

Combustion is a chemical reaction in which hydrocarbons are burnt in the presence of oxygen to give carbon dioxide and water.

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced combustion reaction for butane is,:

$2C_4H_{10}(g)+13O_2(g)\rightarrow 8CO_2(g)+10H_2O(g)$

7 0

3 years ago