Answer:
B) The mass of the reactants equals the mass of the products.
Explanation:
In any balanced chemical reaction, it is known by default that the mass of the products and reactants must always be the same.
This is according to the law of conservation of mass.
- Every chemical reactions obey the law of conservation of mass.
- The law states that "In every chemical reaction, matter is neither created nor destroyed but changed from one form to another".
- In essence, there is no mass loss in a chemical reaction.
- This law is usually shown by the balancing of chemical species on both sides of the equation.
<span>Fireworks are a great example of colorful light emissions. When the firework is ignited, it causes light to pass through different metal salts (calcium chloride, sodium nitrate, etc), creating the color of red, blue, white and green.</span>
54-(15x2) divided by 2 = 12
54 - 15 = 39
39-15=24
24 divided by 2=12
Length:15
Width:12
Perimeter:54
The answer is D, by adding the most water you will get the most diluted solution.
<span>Answer: A. Exercising
above your target heart rate.</span>
The individual's current
level of fitness depends on the amount of exercise needed. I would advise my
friend to exercise above her/his target heart rate to help improve her/his
cardiovascular endurance for an individual has genetically the capacity to
adapt to training, his or her fitness goals, and to the component being
developed such as improve cardiovascular endurance.
<span>In addition, if my friend is
exercising with in or below her/his target heart rate, her/his goal will not be
achieve because her/his stamina and strength will not increase. If she/he will
like to improve her/his cardiovascular endurance, a gradual increase in her/his
workouts must be done. Therefore, she/he must exercise above her/his target heart rate.</span>
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