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Pie
3 years ago
14

In a single carbon bond, two carbon atoms share pair of electrons.

Chemistry
1 answer:
torisob [31]3 years ago
8 0

Answer:

<em>C-C</em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em>

<em>A</em><em> </em><em>carbon</em><em> </em><em>has</em><em> </em><em>4</em><em> </em><em> </em><em>valence</em><em> </em><em>ele</em><em>ctrons</em><em> </em><em>meaning </em><em>it</em><em> </em><em>can</em><em> </em><em>share</em><em> </em><em>4</em><em> </em><em>electrons</em><em> </em><em>and</em><em> </em><em>is</em><em> </em><em>in</em><em> </em><em>short</em><em> </em><em>of</em><em> </em><em>4</em><em> </em><em>electr</em><em>ons</em><em> </em><em>to</em><em> </em><em>fill</em><em> </em><em>it</em><em> </em><em>outer</em><em> </em><em>energy</em><em> </em><em>shell</em><em> </em><em>making </em><em>it</em><em> </em><em>8</em><em>.</em><em> </em><em>Which</em><em> </em><em>resul</em><em>ts</em><em> </em><em>to</em><em> </em><em>2</em><em> </em><em>double</em><em> </em><em>covalent</em><em> </em><em>bonds</em><em> </em><em>,</em><em>meaning</em><em> </em><em>there</em><em> </em><em>was </em><em>a</em><em> </em><em>sharing</em><em> </em><em>of</em><em> </em><em> </em><em>2</em><em>(</em><em>4</em><em>)</em><em> </em><em>=</em><em> </em><em>8</em><em> </em><em>elect</em><em>rons</em><em> </em><em>.</em><em> </em><em> </em><em>Hope</em><em> </em><em>this</em><em> </em><em>help</em><em>s</em><em> </em><em>.</em><em> </em><em> </em><em> </em><em>Your</em><em> </em><em>state</em><em>ment</em><em> </em><em>above</em><em> </em><em>is</em><em> </em><em>true </em><em>.</em>

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Collected data consists of:
san4es73 [151]

The number of moles of the magnesium (mg) is 0.00067 mol.

The number of moles of hydrogen gas is 0.0008 mol.

The volume of 1 more hydrogen gas (mL) at STP is 22.4 L.

<h3>Number of moles of the magnesium (mg)</h3>

The number of moles of the magnesium (mg) is calculated as follows;

number of moles = reacting mass / molar mass

molar mass of magnesium (mg) = 24 g/mol

number of moles = 0.016 g / 24 g/mol = 0.00067 mol.

<h3>Number of moles of hydrogen gas</h3>

PV = nRT

n = PV/RT

Apply Boyle's law to determine the change in volume.

P1V1 = P2V2

V2 = (P1V1)/P2

V2 = (101.39 x 146)/(116.54)

V2 = 127.02 mL

Now determine the number of moles using the following value of ideal constant.

R = 8.314 LkPa/mol.K

n = (15.15 kPa x 0.127 L)/(8.314 x 290.95)

n = 0.0008

<h3>Volume of 1 mole of hydrogen gas at STP</h3>

V = nRT/P

V = (1 x 8.314 x 273) / (101.325)

V = 22.4 L

Learn more about number of moles here: brainly.com/question/13314627

#SPJ1

7 0
1 year ago
A helium balloon contains 16.9 L of helium at STP. How many atoms of helium are in the balloon
Zepler [3.9K]
4.54×10^(23) atoms He
8 0
3 years ago
Is cobalt 60 more dangerous than bananas ( potassium 40) and why ?
maxonik [38]

Answer:

To the best of my knowledge, it is because of the amount of gamma rays is given off.

Explanation:

While both are isotopes, Potassium 40 gives off fewer gamma rays compared to Cobalt 60. Potassium 40 isn't really harmful to humans, but Cobalt 60 (I believe) is used in chemotherapy.

7 0
3 years ago
WHAT IS THE PERCENT BY VOLUME OF ETHANOL IN A SOLUTION THAT CONTAINS 35 mL ETHANOL IN 115 mL OF WATER?
Dmitry [639]
We need to first add both of the solution volumes together 35+115=150. Now we can divide the volume of the ethanol by the total volume 35/150=.233. To double check we can multiply the total volume by the percentage of ethanol by volume we got as a solution 150x.233=35. So the percentage by volume of ethanol in the solution is .233x100=23.3%.
3 0
3 years ago
With radiocarbon dating, scientists compare an object's carbon-14 levels with _____. the carbon-14 levels of an object from the
trapecia [35]

Answer:carbon-14 levels in the atmosphere

Explanation:

When carrying out radiocarbon dating, the level of carbon-14 in a sample is compared with the level of carbon 14 in the atmosphere because, objects exchange carbon-14 with the atmosphere.

Comparison of the activities of carbon-14 in the atmosphere and in the sample gives the age of the sample since the half-life of carbon-14 is a constant.

5 0
3 years ago
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