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julsineya [31]
3 years ago
10

Which particle has the least mass? Proton, a helium atom, electron, hydrogen atom

Chemistry
1 answer:
Tpy6a [65]3 years ago
3 0

Answer:electron

Explanation:

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Calculate the volume (in mL) of 6.0 M NaOH solution required to prepare 1.0 L of 0.09000 N NaOH solu
goblinko [34]

Answer:

the volume in mL is 15

Explanation:

The computation of the volume in mL is shown below:

As we know that

N = nM

where

N denotes the normality

n denotes the number of equivalents

M denotes the molarity

Also

For NaOH , N = M

Now

M× V_1 = N × V_2

V_1 = N × V_2 ÷ M

= 0.09000 N × 1.0 L ÷ 6.0 M

= 15 mL

hence, the volume in mL is 15

5 0
3 years ago
Why is scientific notation useful?
BlackZzzverrR [31]
It condenses very long strings of numbers while retaining the general accuracy of the figure.
8 0
4 years ago
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Analyzing a specific reaction Consider the following reaction: 2Mg+O2→2MgO,rate=k[Mg][O2]2 Part A What is the overall reaction o
stepladder [879]

Answer:

3

Explanation:

Order of in the mass action law is the coefficient which is raised to the active concentration of the reactants. It is experimentally determined and can be zero, positive negative or fractional.

The order of the whole reaction is the sum of the order of each reactant which is raised to its power in the rate law.

Thus,

For the reaction:-

2Mg+O₂→2MgO

Rate  = k[Mg][O₂]²

Order w.r.t. Mg = 1

Order w.r.t. O₂ = 2

<u>So, order of the overall reaction = 1 + 2 = 3</u>

7 0
3 years ago
A lead apron is a ________________ instrument classification of disease transmission. Fill in the blank
pochemuha

Answer:

A lead apron is a <u>non-critical </u> instrument.

Hope it helps!

7 0
2 years ago
Strong acids have a ______ value of Ka and the equlibrium for the reaction with water lies far to the _______.
nika2105 [10]

Answer:

All strong acids have a higher value of K_{a} and the equilibrium for the reaction with water lies far to the right.

Explanation:

All strong acids dissociate completely in the solution. Higher the value of dissociation constant of the acid, higher will be the dissociation of the acid.

The reaction of the acid with water will be favored in the forward direction for acids having higher dissociation constant value (K_{a}).

The dissociation of a strong acid say HA in water is shown below\textrm{HA}\left ( aq \right )+\textrm{H}_{2}\textrm{O}\left ( l \right )\rightleftharpoons \textrm{A}^{-}\left ( aq \right )+\textrm{H}_{3}\textrm{O}^{+}\left ( aq \right )

Higher the value of K_{a}, more will be the dissociation of the acid in water. The reaction will move far to the right side.

4 0
3 years ago
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