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ludmilkaskok [199]
3 years ago
9

Eyeglasses provide as much protection as safety goggles. * true or false

Chemistry
2 answers:
Artyom0805 [142]3 years ago
7 0
False. Eyeglasses do not cover all around the eye however safety goggles do
padilas [110]3 years ago
4 0

Answer:

false

Explanation:

because they eyeglasses don't go as close to the eyes as safety goggles

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Physical properties of reactants: Physical properties of products: 12.
dolphi86 [110]

Answer: The reactants are baking soda and vinegar. Baking soda is a white powder, and vinegar is a clear liquid. The products of this reaction are carbon dioxide, water, and sodium acetate. Carbon dioxide is a colorless gas, water is a colorless liquid, and sodium acetate is a white crystalline powder.

A chemical change can be seen in how the molecular formulas of the products are different from the reactants, since the reactants have chemically changed into completely different molecules.

Hope this helps

6 0
3 years ago
Calculate the value of AE for a system that loses 50 J of heat and has 150 J of work Performed on it by the surroundings.
gavmur [86]

Answer:

100 j

Explanation:

bascially u j subtract 50 from 150 because the system lost 50 j but theres 150 in its surroundings

4 0
2 years ago
We can dilute an aqueous solution by adding liquid water to the solution, resulting in a less concentrated solution. Which of th
Neporo4naja [7]

Answer: = C

Explanation:

evaporating some of the water contained in the solution will increase the concentration of the resulting solution, because there will be concomitant increase in the number of moles of the solute left in the solution.

8 0
3 years ago
Why is photosynthesis an endothermic reaction?
diamong [38]

Answer: Option (c) is the correct answer.

Explanation:

Photosynthesis is a process in which sunlight, carbon dioxide, and water is used by the plants to make their on food.  

Plants absorb energy in the form of heat from the sunlight and thus produce glucose and oxygen from carbon dioxide and water. This absorbed energy is then used to start various chemical and biochemical reactions in the plants.

Hence, photosynthesis is an endothermic reaction.

Thus, we can conclude that a large amount of energy is required to activate the reaction.

4 0
3 years ago
Read 2 more answers
Both DNA and RNA contain double strands of nucleotides.
VLD [36.1K]

Answer:

2. False

Explanation:

8 0
3 years ago
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