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DIA [1.3K]
3 years ago
14

Only 11% of all the energy used in the US comes from a renewable source. Why is this a problem?

Chemistry
1 answer:
mr Goodwill [35]3 years ago
5 0
Fossil fuels and unnatural energy sources still dominate in the US, this influences many problems including global warming, climate change, and pollution. Burning fossil fuels is also a problem to human health. And unnatural resources won’t be there forever whereas, renewable sources could last a long time.
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Sometimes you are given a measured amount of two or more reactants and asked how much product can be formed. Explain what steps
Westkost [7]

Explanation:

To solve this problem, follow these steps;

  • Obtain a balanced equation of the reaction and familiarize with the reactants and products.
  • Find the number of moles of the reacting species since they are the known matter in terms of quantity.
  • From the number of moles, determine the limiting reactant.
  • The limiting reactant is the one given in short supply.
  • Such reactant determines the extent of the reaction.
  • Compare the moles of this specie to that of the products using the balanced equation.
  • Obtain the mole of the desired product and find the mass or desired quantity.
  • simply work from the known specie to the unknown

learn more:

Number of moles brainly.com/question/13064292

#learnwithBrainly

4 0
3 years ago
Statements.<br> If temperature is increased then the reaction will happen<br> because
Serggg [28]
Increasing the temperature of the system, will cause the equilibrium to shift toward the direction of the reaction that absorbs heat.
4 0
2 years ago
A student makes the following two claims about chemical reactions:
Svet_ta [14]
I would agree with the second one, not the first. You can't always see the chemical reaction, and it isn't always sudden. But the second claim is true. 
7 0
3 years ago
What is the molarity of a solution that contains 17 g of nh3 in 2.0 l of solution?
IRISSAK [1]

Answer:

we should first calculate the no. of moles to find molarity

5 0
3 years ago
Monosodium glutamate (NaC5H8NO4) is used extensively as a flavor enhancer what is its percent composition
tensa zangetsu [6.8K]

Answer:

% sodium= 13.6 % sodium

% carbon= 35.5 % carbon

% hydrogen= 4.7% hydrogen

% nitrogen = 8.3% nitrogen

% oxygen = 37.8 % oxygen

Explanation:

To find its percent composition means that we are to find to find the percentage of each of the constituents of the compound present.

The molar mass of monosodium glutamate is 169.11 gmol-1

Hence;

Percent of sodium= 23 gmol-1/169.11 gmol-1 × 100 = 13.6 % sodium

Percent of Carbon= 60 gmol-1/169.11 gmol-1 ×100 = 35.5 % carbon

Percent of hydrogen= 8/169.11 gmol-1 ×100 = 4.7% hydrogen

Percent nitrogen = 14/169.11 gmol-1 × 100 = 8.3% nitrogen

Percent oxygen = 64/169.11 gmol-1 ×100 = 37.8 % oxygen

3 0
3 years ago
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