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harkovskaia [24]
3 years ago
15

Hydrogen can be found in many things. It cannot be broken down to create something else. An example of something like hydrogen i

s oxygen. We call things like hydrogen or oxygen _ .
Chemistry
1 answer:
KiRa [710]3 years ago
6 0

Answer:

matter im pretty sure sorry if its wrong

Explanation:

based on the property of conserving matter, matter can not be created or destroyed

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I've been stuck with this for like an hour, please help.
solniwko [45]

Explanation:

Molar mass of Hg = 200.59g/mol.

Therefore Moles = Mass / Molar mass

= 100g / (200.59g/mol) = 0.499mol.

7 0
3 years ago
How many grams are in 0.990 mol of neon?<br> mass in grams:
vodka [1.7K]

Explanation:

Multiply the given moles times the molar mass of neon, 20.180 g/mol (periodic table).

7 0
3 years ago
Read 2 more answers
Name 2 animals that’s are omnivores give an example of a plant and an animal that each one might eat
denis-greek [22]

OMG THERE'S SPIDER BEHIND YOU!!! jk XD lets get back to the question.....

example of omnivores would be us humans but since you said ANIMALS then :

BEARS - bears are omnivores they feed on meat like fish and plants like grass or dandelion.

RACCOONS - their omnivores too they feed on meat like rats (ew), fish, frogs..etc they also eat plants like any kind fruit, grains, nuts ( i dont think all kind tho).

so yup those are two examples :D

6 0
4 years ago
Read 2 more answers
Which of the following describes a covalent bond?
Marizza181 [45]

Answer:

D. It is the sharing of electrons between atoms with an electronegativity difference below 1.7

Covalent bonds share electrons, whereas ionic bonds exchange electrons. Covalent bonds have an electronegativity of 0.0-1.7 (0.0-0.3 is a nonpolar covalent bond and 0.3-1.7 is a polar covalent bond). Ionic bonds are bonds that go beyond the electronegativity of 1.7 to 4.0 (1.7-4.0).

7 0
3 years ago
Read 2 more answers
compressing a sample of hydrogen gas to one half its initial volume will have what effect on its pressure
Murrr4er [49]
You would need to double the pressure because of compressing the hydrogens volume to a half.













































6 0
3 years ago
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