Do all of the glassware measure with the same degree od accuracy

Answers

Answer 1

Answer: no they do not measure the same.

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_Cuo +H, → _Cu + _H,0

Answers

Answer:

CuO(s) + H₂(g) → Cu(s) + H₂O(l)

Explanation:

Assuming the reaction is the reduction of CuO by H₂
Then the balanced equation for the reaction is;

CuO(s) + H₂(g) → Cu(s) + H₂O(l)

The equation shows the reducing property of hydrogen gas, such that hydrogen reduces metal oxides such as copper(ii)oxide to the respective metals.
The law of conservation requires chemical equations to be balanced so as the mass of reactants will be equal to that of products.

In this case; there is 1 copper atom, 1 oxygen atom and 2 hydrogen atoms on both side of the equation and thus the equation is balanced.

What is the percent by mass of chlorine (Cl) in sodium chloride?

Answers

Answer:

60.7 %

Explanation:

just did it on edg

i believe it is 60.663%

What is biodiversity? I don't really understand...

Answers

Answer:

it is also know as biological diversity

Explanation:

it refers to the varieties or various forms of plants and animals species

What is the ratio of straight haired offspring to curly hair offspring?

Answers

Answer:

. If both parents have wavy hair, what is

the phenotype (and genotype) ratio for

their offspring?

A.3:1 (curly to straight)

B.All wavy haired offspring

C. 1:2:1 (curly: wavy: straight)

D.9:3:3:1

Explanation:

A self-contained living thingA. Ecosystem

B. Organism

C. Competition

D. Population

E. Resources

Answers

The correct answer Organism

Are phosphorous and oxygen covalently or ionically bonded?

Answers

Answer:

covalently

Explanation:

Other Questions

Please help me ASAP! Giving out a nice amount of points! Correct answer gets Brainliest! :D Which would be a good example to demonstrate the principle of conservation of energy?A) A stone is crushedB) Light bends around a sharp edgeC) A pendulum swings back and forthD) A balloon inflates when air is blown into it

What kind of change occurs when I’ve becomes liquid water

There is A picture of the question below so yea. If you will help me that will be great and amazing and very appreciated!!!!!!!!!!!!!!!!!!!!!

How is groundwater formed?