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Kruka [31]
3 years ago
9

Please help ASAP! Which expression is equal to the number of kilograms (kg) in 3700 milligrams

Chemistry
1 answer:
aev [14]3 years ago
6 0

Answer is C my g. Don't really know how to explain it.

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The height of a column of mercury in a closed-end manometer is 13.2 cm. What is the pressure of the gas in torr
AlladinOne [14]

Answer:

P_{gas}=131.96torr

Explanation:

Helo,

In this case, the pressure must be computed as follows:

P_{gas}=gh\rho _{Hg}

Which is using the density of mercury (13.6 g/mL) and its height, thus, we obtain (using the proper units):

P_{gas}=9.8\frac{m}{s^2}*(13.2cm *\frac{1m}{100cm} )*(13.6\frac{g}{cm^3}*\frac{1kg}{1000g}*\frac{1x10^6cm^3}{1m^3} )\\\\P_{gas}=17592.96Pa*\frac{760torr}{101325Pa} \\\\P_{gas}=131.96torr

Best regards.

5 0
3 years ago
What is 1500 in scientific notation
Svet_ta [14]
To form the value of 1500 in scientific notation, it is <span><span>
1.    </span>By simply moving the period which separates the whole numbers from the decimal numbers between 1 and 5. </span> <span><span>
2.    </span>Thus, it then becomes 1.5 </span> <span><span>
3.    </span>Next, is you have to count how many moves the period made from its point of origin hence, for this value is 3</span>
<span><span>4.    </span>Therefore, the scientific notation for the number is 1.5 x 10^3</span>



7 0
3 years ago
Phosphine, PH3(g), decomposes according to the equation 4PH3(g) --&gt; P4(g) + 6H2(g) The kinetics of the decomposition of phosp
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good luck with that. I thought I had it, but it was not right.

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3 years ago
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The element copper has 29 protons. What is the atomic number of copper?
stiks02 [169]
The atomic number of copper is 29.

Hope this helps and if it does, don't be afraid to rate my answer as well as maybe give it a "Thanks"? (Or even better a "Brainliest"). And if it’s not correct, I am sorry for wasting your time, and good luck finding the correct answer :)


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How stable is the matter that the energy is transferring to? How volatile is the thermal Resistance?

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