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mash [69]
3 years ago
11

Which one is it ASAP

Chemistry
2 answers:
Gelneren [198K]3 years ago
6 0
4 is D. 5 is C. 6 is D i guess. 7 is D.
crimeas [40]3 years ago
4 0
Question 4 answer: Gravity only pulls large objects together. 

Question 5 answer: Friction

Question 6 answer: Unbalanced Force

Question 7 answer: Reaction Force.
Hope this helps!

Aye sir!
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True or false? the iron recommendation for girls exceeds that of boys during adolescence.
sashaice [31]

It is true that the iron recommendation for girls exceeds that of boys during adolescence.

During an adolescence, girls and boys require iron for a large growth spurt and the gain of adult phenotypes and biologic rhythms.

In this period of the life, iron recommendation increase in both girls and boys, because of the increase in lean body mass, the expansion of the total blood volume, the increase and start of menstruation at girls.

Iron is essential for oxygen transport, red blood cell creation, cognitive performance and immunological function.

The overall iron requirements for girls are up to twice as boys.

More about adolescence: brainly.com/question/13528489

#SPJ4

4 0
2 years ago
se tienen 10 litros de nitrogeno gaseoso bajo una presion de 560 mm Hg. Determina el volumen del nitrogeno a una presion de 760
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3 0
3 years ago
Describe how particles of iron (Fe) an oxygen (O2) react to how produce oxide (Fe2O3), also known as rust.
forsale [732]

Answer:

Described by a redox reaction below

Explanation:

Iron(III) oxide is an ionic compound, since it consists of a metal, iron, and a nonmetal, oxygen.

Ionic compounds are formed when metals lose their valence electrons in order to have an octet in their previous shell and donate them to nonmetal atoms, so that nonmetals fill their outer shell to have an octet.

As a result, positive ions (cations) and negative ions (anions) are formed. When iron reacts with oxygen, the following reaction takes place:

4 Fe (s) + 3 O_2 (g)\rightarrow 2 Fe_2O_3 (s)

This is a redox (oxidation–reduction) reaction, since we have electron loss and gain. Four iron atoms lose a total of 12 electrons to obtain a +3 charge in the final compound, while 3 oxygen molecules gain these 12 electrons to become 6 oxide anions with a -2 charge.

4 0
3 years ago
How many pints are in 53 gallons'?
geniusboy [140]
There are 424 pints in <span>53 gallons.</span>
8 0
4 years ago
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According to the following balanced chemical equation, if you want to produce eight moles of H2O, how many moles of CH4 do you n
dangina [55]

Answer:

2

Explanation:

6 0
2 years ago
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