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igomit [66]
4 years ago
10

What is the definition for molarity?

Chemistry
2 answers:
Setler79 [48]4 years ago
8 0
In chemistry, molarity is a concentration unit,defined to be the number of moles of solution divided by the number of liters of solution.
Akimi4 [234]4 years ago
7 0
Molarity is a concentration unit, the number of moles of solute divided by the numbers of liters in a solution. Pertaining to chem
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How much heat is released when 10.0 grams of a substance cools 15 degrees? The specific
VLD [36.1K]

Answer:

Q = 525 J

Explanation:

Given that,

Mass, m = 10 grams

The change in temperature, \Delta T=15^{\circ} C

The specific heat of the substance is 3.5 J/g °C

We need to find the amount of heat released in the process. It can be given by the formula as follow :

Q=mc\Delta T\\\\Q=10\ g\times 3.5\ J/g^{\circ} C\times 15^{\circ} C\\Q=525\ J

Hence, 525 J of heat is released.

4 0
3 years ago
How to calculate the frequency of an ion
sergij07 [2.7K]

solution:

You need to find the frequency, and they have already given you the wavelength. And since you already know the speed of light, you can use formula (2) to answer this problem. Remember to convert the nano meters to meters because the speed of light is in meters. (1 nm = 1.0 x 10^{-9} m)

v=c\lambda \\v= (3.00 \times 10^8 m/s)/(6.9\times 10^-7 m) \\v = 4.35 \times 10^{14} s^{-1}

8 0
4 years ago
I need help please!!! Name the parts making up the female part of the flower and state what each part does. Please use your own
Greeley [361]
<h2><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u><u>-</u></h2>

<em>The female part is the pistil. The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary. The stigma is the sticky knob at the top of the pistil. It is attached to the long, tubelike structure called the style.</em>

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6 0
3 years ago
What type of decay process is demonstrated in the following reaction 40 -19K to 0 -1e+40-20Ca?
Dmitry_Shevchenko [17]
The decay process that is demonstrated by the equation above would be a beta decay. This type of radioactive decay involves the emission of a beta particle. It happens when one of the protons is transformed in the other. The beta particle here is represented by <span>0 -1e.</span>
3 0
3 years ago
Read 2 more answers
Pick a "for every" statement about copper and silver nitrate for this reaction.
maxonik [38]

From the equation of the reaction; for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.

<h3>What is a reaction?</h3>

A chemical reaction involves the transformation of one chemical specie into another. The reaction is not shown here hence the question is incomplete.

However, the reaction should be of the sort; Cu + 2AgNO3 ---> Cu(NO3)2 + Cu. Thus, for every 1 mole of copper, the reaction uses 2 moles of silver nitrate.

Learn more about chemical reaction: brainly.com/question/6876669

8 0
3 years ago
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