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vladimir2022 [97]
3 years ago
14

Help with number 3 plz help due tomorrow!!!!!!!!!!

Chemistry
2 answers:
tiny-mole [99]3 years ago
7 0

Answer:

characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing

Explanation:

so When viewed together, these characteristics serve to define life.

IceJOKER [234]3 years ago
4 0

Answer:

which one?

Explanation:

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Which statement regarding this equation is TRUE?
noname [10]

Answer:

iron (III) oxide is a gas

8 0
2 years ago
What does it mean to classify?
pashok25 [27]

Answer:

2

Explanation:

to separate objects or ideas into group based on ways they are alike

3 0
2 years ago
Using VSEPR theory which of the following would be the correct shape for nitrogen trifluoride?
RUDIKE [14]

Answer:

trigonal pyramidal

Explanation:

In NF3, the nitrogen atom is sp3 hybridized. Now we must remember that according to the VSEPR theory, the number of electron pairs in the valence shell of the central atom in a molecule determines its shape.

Here, the nitrogen atom is the central atom and its outermost shell is surrounded by four electron pairs - one lone pair and three bond pairs. This means that it has a tetrahedral electron pair geometry.

However, due to the lone pair, the three fluorine atoms are arranged in a  trigonal pyramidal geometry. Hence the correct shape of the molecule is trigonal pyramidal.

6 0
3 years ago
Which half-reaction equation represents the
erica [24]
The reduction reaction is the gain of electrons while oxidation reaction is the loss of electrons. For potassium ion(K+), the reaction should be K+ + e- ==> K. So the answer is (1).
8 0
3 years ago
Read 2 more answers
. percent iron in a mixture that is 52.2% Fe2O3​
AVprozaik [17]

Answer:

36.51%.

Explanation:

First find the percentage of iron in pure Fe2O3 using the  atomic masses of the elements:

=  (2 * 55.845) * 100 /  (2*55.845+ 3*15.999)

=  69.94 %.

So the percentage of iron in the mixture

=  52.2 * 0.6994

= 36.51 (answer).

8 0
3 years ago
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