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Alborosie
3 years ago
9

Which of the following choices represents hydrogen peroxide

Chemistry
2 answers:
GaryK [48]3 years ago
8 0
A molocule i think sorry if im wrong


worty [1.4K]3 years ago
8 0
Oxygen atom i might be wrong 
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Which statement is true because of newtons second law ?
katrin2010 [14]
Newton's second law, by definition, states that, <span> The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object. Therefore, based on the given options above, the correct answer would be option D: </span><span>when the net force on an object decreases, the objects acceleration decreases.</span>
7 0
3 years ago
Read 2 more answers
A system at equilibrium has two aqueous products and two aqueous reactants. An additional amount of one of the products is added
devlian [24]

Answer: c. the amounts of the reactants

Explanation:

Any change in the equilibrium is studied on the basis of Le-Chatelier's principle. This principle states that if there is any change in the variables of the reaction, the equilibrium will shift in the direction to minimize the effect.

For the given reaction:

A(aq)+B(aq)\rightleftharpoons C(aq)+D(aq)

If the concentration of one of the products is increased, so according to the Le-Chatelier's principle, the equilibrium will shift in the direction where decrease of concentration of product takes place. Therefore, the equilibrium will shift in the left direction i.e. towards the reactants and thus more reactants will be formed.

6 0
3 years ago
If 14.5 g of MnO4- (permanganate) react with manganese (II) hydroxide how many grams of manganese (IV) oxide will be produced? T
Veronika [31]

Answer:

m_{MnO_2}=21.2gMnO_2

Explanation:

Hello,

In this case, given the balanced reaction:

2MnO_4^-+2Mn(OH)_2\rightarrow 4MnO_2+2OH^-+H_2O

We can see a 2:4 mole ration between permanganate ion (118.9 g/mol) and manganese (IV) oxide (86.9 g/mol), that is why the resulting mas of this last one turns out:

m_{MnO_2}=14.5gMnO_4^-*\frac{1molMnO_4^-}{118.9gMnO_4^-}*\frac{4MnO_2}{2molMnO_4^-}  *\frac{86.9gMnO_2}{1molMnO_2} \\\\m_{MnO_2}=21.2gMnO_2

Best regards.

5 0
4 years ago
Please answer the following questions with the proper significant figures:
photoshop1234 [79]

a)32.670 + 1.2240 = 33.8904

33.8904-14.0 = 19.8904

b)12.080 × 4.050 × 0.231

=54.36 × 0.231

=12.55716

c)(3.051 × 103) ×(2.00 × 10.2)=

314.253 × 20.4 = 6410.7612

6 0
3 years ago
The total number of sodium atoms in 46.0 grams of sodium<br> is
marusya05 [52]
The answer is 2.0, and it is because
3 0
3 years ago
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