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2 years ago

What is carbon? What does it do?

Chemistry

1 answer:

Archy [21]2 years ago

7 0

Answer:

Carbon is in carbon dioxide, which is a greenhouse gas that works to trap heat close to Earth. Carbon is the chemical backbone of life on Earth. Carbon compounds regulate the Earth's temperature, make up the food that sustains us, and provide energy that fuels our global economy. Most of Earth's carbon is stored in rocks and sediments. The rest is located in the ocean, atmosphere, and in living organisms

Explanation:

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Lucy got a new car for her birthday so she went 12 km east and then 8 km South. What is her distance

melamori03 [73]

21 south I think i dum

3 0

3 years ago

Use lewis theory to determine the formula for the compound that forms from ca and s.

steposvetlana [31]

<span>The formula in terms of the oxidation numbers for the elements. The sum of the oxidation numbers for a compound must be zero. Ca3N2 KBr Cs2S CsF</span>

6 0

3 years ago

How many grams of H3PO4 are in 234 mL of a 2.5 M solution of H3PO4?

motikmotik

Answer:

57 grams of H3PO4

Explanation:

M= moles/ liters

convert mL to L

234 mL x 1L/1000mL = 0.234L

Rearrange the Molarity formula to solve for moles.

moles= MxL

moles= 2.5M x 0.234L

moles= 0.585 mol

Use the molar mass of H3PO4 to get to grams

0.585 mol x 97.994 grams/1 mol = 57.326 grams of H3PO4

round to two sig figs for 57 grams

5 0

2 years ago

List six elements with only 1 electron in an s orbital

Verdich [7]

Answer:

$Lithium=Li2s^1\\Sodium=Na3s^1\\Potassium=K4s^1\\Rubidium=Rb5s^1\\Cesium=Cs6s^1\\Francium=Fr7s^1$

Explanation:

When it comes to electron configuration and orbitals, it's important to first identify what exactly we are trying to identify. Below is a given example:

$He1s^2$

$He=element$

$1=level$

$s=orbital$

$(exponent)^2=electrons$

Looking at the periodic table, identify the alkali metal family on the periodic table, or group one elements:

$Lithium=Li2s^1\\Sodium=Na3s^1\\Potassium=K4s^1\\Rubidium=Rb5s^1\\Cesium=Cs6s^1\\Francium=Fr7s^1$

Notice how each configuration has an exponent of $1$ , representative of a single electron in their s-orbital.

6 0

3 years ago

Which of the following is not a organic compound, a -corn oil b -b r o m i n e c -m e t h a n e d- protein

Flura [38]

A corn oil. Because oil is treated with a solvent. After that it is refined which gets rid of free fatty acids. Finally, it is sent through steam distillation to get rid of volatile organic compounds.

6 0

3 years ago

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