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Vaselesa [24]
3 years ago
7

What is matter made of?

Chemistry
1 answer:
telo118 [61]3 years ago
7 0

Answer: Positively charged protons, neutral neutrons, and negatively charged electrons.

Please like and mark brainiest or i'll steal all your cookies.

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2 Na + Cl ---> 2NaCl
Greeley [361]

Answer:

1. d. 84g

2. c. 77.4%

Explanation:

1. Based on the reaction 2 moles of Na produce 2 moles of NaCl.

The moles of Na (22.99g/mol) in 33g are:

33g * (1mol / 22.99g) = 1.435 moles Na = 1.435 moles NaCl must be produced.

The mass of NaCl is (Molar mass: 58.44g/mol):

1.435moles * (58.44g / mol) = 84g

d. 84g

2. Percent yield is defined as 100 times the ratio between actual yield (65g) and theoretical yield (84g). The percent yield is:

65g / 84g * 100 =

c. 77.4%

5 0
3 years ago
Which is a FALSE statement about the possible benefits of nanocars? A. They could work together to build really complex things.
kondor19780726 [428]
C, they could work together to make things from the top down. 
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4 years ago
___ may be rinsed over materials to was off explosive residue. A) water B) bleach C) acid D) acetone
Sergio [31]

Answer: D.

Explanation: D. Acetone, Acetone may be rinsed over materials to wash off the explosive residue.

Hope this helps :)

4 0
3 years ago
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Which of the outer planets is MOST like Earth? How?
kondor19780726 [428]

Answer:

venus

Explanation:

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brainliest pls pls pls

-Zylynn

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3 years ago
What element is commonly used to reduce iron oxide?
kolezko [41]

Answer:

The element that is commonly used to reduce iron oxide would be <u>carbon.</u>

Explanation:

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3 0
2 years ago
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