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gayaneshka [121]
3 years ago
5

(BRAINLIEST ANSWER GUARANTEED) Write the chemical formula for the following compound

Chemistry
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:

Explanation:

Formula for Ionic Compounds. Potassium oxide in the previous example is written as K2O. Calcium hydroxide is written as Ca (OH)2, since there are two hydroxide ions (a polyatomic ion composed of hydrogen and oxygen with a charge of -1) for every one calcium ion

Minchanka [31]3 years ago
3 0

Answer:

HNO3

Explanation:

Try looking up on the internet-

"Science compound creator" and plug in the compounds it gives, and it will give you a formula.

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Here we have to calculate the heat required to raise the temperature of water from 85.0 ⁰F to 50.4 ⁰F.

10.857 kJ heat will be needed to raise the temperature from 50.4 ⁰F to 85.0 ⁰F

The amount of heat required to raise the temperature can be obtained from the equation H = m×s×(t₂-t₁).

Where H = Heat, s  =specific gravity = 4.184 J/g.⁰C, m = mass = 135.0 g, t₁ (initial temperature) = 50.4 ⁰F or 10.222 ⁰C and t₂ (final temperature) = 85.0⁰F or 29.444 ⁰C.

On plugging the values we get:

H = 135.0 g × 4.184 J/g.⁰C×(29.444 - 10.222) ⁰C

Or, H = 10857.354 J or 10.857 kJ.

Thus 10857.354 J or 10.857 kJ heat will be needed to raise the temperature.

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This chemical equation represents the burning of methane, but the equation is incomplete. What is the missing coefficient in bot
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The electron configuration of alkali metals would then resemble those of group 17 of the periodic table in the compounds they form.

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Periodic table is defined as a tabular approach of showing the items so that they appear in the same vertical column or group when their attributes are similar. Phosphorus is the oldest chemical element, and hassium is the newest. Please take note that, unlike in the Periodic system, the elements do not exhibit their natural relationships with one another.

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Thus, the electron configuration of alkali metals would then resemble those of group 17 of the periodic table in the compounds they form.

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