2.99x12 = 35.88
35.88+13.99
49.87
The expression (PE products) - (PE reactants) represents the heat of reaction for a chemical change in terms of PE (potential energy).
<h3>What is potential energy?</h3>
Potential energy is any type of energy stored to perform physical work in a given period of time.
Conversely, kinetic energy is motion (movement) energy used when performing physical work.
In conclusion, the expression (PE products) - (PE reactants) represents the heat of reaction for a chemical change in terms of PE (potential energy).
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The American Diabetes Association (ADA) updated guidelines in their recommendations for prediabetes and diabetes screening in asymptomatic adults
<h3>hat is the main aim of the American Diabetes Association?</h3>
The mission of this society is to hinder and cure diabetes and it is known to be one whose aim is improve the lives of all people afflicted by diabetes.
Hence The American Diabetes Association (ADA) updated guidelines in their recommendations for prediabetes and diabetes screening in asymptomatic adults
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Examples of fixed costs include equipment costs and salaries; while variable costs include costs of materials and transportation costs.
<h3>What is "cost"?</h3>
In a company, costs include all the money that has to be paid for the company to offer a product or service.
<h3>What is the difference between a variable cost and a fixed cost?</h3>
Variable costs can vary or change depending on the number of units produced; on the other hand, fixed costs are constant.
<h3>What are some fixed and variable costs?</h3>
Fixed costs:
- Equipment cost.
- Interests on a debt.
- Salaries.
Variable costs:
- Cost of materials such as metal or wood.
- Transportation and packaging costs.
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Answer:
The answer is:
A) Chromium
Option D) Calcium
Option E) Osmium
The next ones are: helium and sodium.
Explanation:
