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daser333 [38]
3 years ago
14

How many grams are 53.8 of oxygen

Chemistry
1 answer:
lorasvet [3.4K]3 years ago
8 0
<h3>A lead compound contains 6.46 grams of lead per gram of oxygen.</h3><h3 />
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Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have?
Varvara68 [4.7K]

Answer:

4

Explanation:

Carbon configuration- 2,4

Valence electrons means the outershell electrons

That means valence electrons=4

8 0
3 years ago
What is the molar mass of a substance
aleksandrvk [35]
<span>47.88 g/mol is the awsner your welcome</span>
3 0
3 years ago
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PLEASE HELP!!!!!!! <br>Atoms are blank if it has blank electrons in its outer most energy level.
laila [671]
Atoms are (stable) if it has (valence) electrons in its outer most energy level.
4 0
3 years ago
4O POINTS PLEASE ANSWER
Karo-lina-s [1.5K]

Answer & Explanation:

The reason why is because global fossil fuel consumption is on the rise, and new reserves are becoming harder to find. Those that are discovered are significantly smaller than the ones that have been found in the past.

Oil: Consumption (Predictions): Over 11 Billion tonnes Annually. If we carry on as we are, our known oil deposits could run out in just over 53 years.

Gas (Predictions): If we increase gas production to fill the energy gap left by oil, our known gas reserves only give us just 52 years left.

Coal: Although it’s often claimed that we have enough coal to last hundreds of years, this doesn’t take into account the need for increased production if we run out of oil and gas, our known coal deposits could be gone in 150 years.

For example, oil reserves are a good example: 16 of the 20 largest oil fields in the world have reached peak level production – they’re simply too small to keep up with global demand.

During the year of 2015, fossil fuels made up 81.5% of total U.S. energy consumption. The number is most likely increasing every year.

(fyi: the graph provided is showing future energy reserves for coal, gas and oil. approxiamately.)

7 0
3 years ago
A student did an experiment to determine the specific heat capacity of a metal alloy. The student put a sample of the alloy in b
guapka [62]

Answer:

a) ∆T=T1-T2

b) At the particle level the temperature changes are the result of the added energy causing the particles of water to move more vigorously. Either the particles of solid vibrate more vigorously about their fixed positions or the particles of liquid and gas move about their container more rapidly.

c) The state in which two substances in physical contact do not share any heat energy. The temperature of two substances in thermal equilibrium is said to be the same. Also see thermodynamics.

Explanation:

hope that helped good luck!

7 0
2 years ago
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