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bija089 [108]
3 years ago
7

What is molarity of 3 mole of hydrochloric acid in 3L of water

Chemistry
1 answer:
Mila [183]3 years ago
6 0

Answer:

1

Explanation:

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Mariah needs to identify a cause-and-effect relationship. Which type of investigation should she use?
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Descriptive or Correlational. hope this helps

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3 years ago
Write the beta decay equation for the following isotope: 91 38 Sr? Please write out steps
babymother [125]

Answer:

\rm _{38}^{91}Sr \longrightarrow \,  _{-1}^{0}e + \,  _{39}^{91}Y

Explanation:

The unbalanced nuclear equation is

\rm _{38}^{91}Sr \longrightarrow \,  _{-1}^{0}e \, + \, ?

Let's write the question mark as a nuclear symbol.

\rm _{38}^{91}Se} \longrightarrow \,  _{-1}^{0}e \, + \,  _{Z}^{A}X

The main point to remember in balancing nuclear equations is that the sums of the superscripts and the subscripts must be the same on each side of the equation.  

Then

98 =  0 + A, so A =  98 -  0 = 98, and

38 = -1 + Z, so Z  = 38 + 1 = 39

Then, your nuclear equation becomes

\rm _{38}^{91}Sr \longrightarrow \,  _{-1}^{0}e + \,  _{39}^{91}X

Element 39 is yttrium, so the balanced nuclear equation is

\rm _{38}^{91}Sr \longrightarrow \,  _{-1}^{0}e + \,  _{39}^{91}Y

7 0
3 years ago
Why are parts of Antarctica considered to be a desert?
defon
Less than 5cm of precipitation a year
3 0
3 years ago
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What is the wavelength of a light that has a frequency of 5.00x10 to the 12 power s negative 1 power
Lilit [14]

The wavelength of the light is 6.00 × 10^(-5) m.

The formula connecting frequency <em>f</em> and wavelength λ is

<em>f</em>λ = <em>c</em>

where <em>c</em> = the speed of light [2.998 × 10^8 m·s^(-1)]

We can rearrange the formula to get

λ = <em>c</em>/<em>f </em>

∴ λ = 2.998 × 10^10 m·s^(-1)/5.00 × 10^12 s^(-1) = 6.00 × 10^(-5) m = 60.0 µm

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4 years ago
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Answer:

May 17

Explanation:

When it refers to 0% light it describe a new moon, from a new moon to a full Moon are 14 days, then if you start a full moon on May 3 and you add 14 days it means that the next new Moon would be on May 17.

3 0
3 years ago
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