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creativ13 [48]
3 years ago
14

What nuclide would be produced from the positron emission of Co-56

Chemistry
1 answer:
torisob [31]3 years ago
5 0
56<span>Co + 0-1e → <span>56 </span>27Fe [everything else in this answer will be random since I need at least 20 characters to answer] eyeyeyeyeyeyeyeyeyeyeyeyeyeyeyeyeyey</span>
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i want to find the volume of a block of wood it has a length of 6 inches a width of 7 inces and a height of 8 inches what is the
JulijaS [17]

Answer:

336

Explanation:

L x w x h= 6 x 7 x 8 = 336

8 0
3 years ago
When ammonium carbonate decomposes what gas is produced and will a glowing splint burn brighter in the presence?
mestny [16]
When ammonium carbonate is heated it decomposes to give ammonia gas, carbon dioxide gas and water. The equation for the decomposition is;
(NH4)2CO3(s) = 2 NH3 (g) + CO2(g) + H2O(l)
A glowing splint would extinguish almost immediately because of the presence of carbon dioxide. Carbon dioxide does not support burning which is the property that makes it used a s a fighter extinguisher.
7 0
3 years ago
6) (a) Calculate the absorbance of the solution if its concentration is 0.0278 M and its molar extinction coefficient is 35.9 L/
Anvisha [2.4K]

Answer:

6) (a) 0.499; (b) 31.7 %

7) 0.15

Explanation:

6) (a) Absorbance

Beer's Law is

A = \epsilon cl\\A = \text{35.9 L&\cdot$mol$^{-1}$cm$^{-1}$} $\times$ 0.0278 mol$\cdot$L$^{-1} \times $ 0.5 cm = \mathbf{0.499}

(b) Percent transmission

A = \log {\left (\dfrac{1}{T}}\right)}\\\\\%T = 100T\\\\T = \dfrac{\%T}{100}\\\\\dfrac{1}{T} = \dfrac{100 }{\%T}\\\\A = \log \left(\dfrac{100 }{\%T} \right ) = 2 - \log \%T\\\\0.499 = 2 - \log \%T\\\\\log \%T = 2 - 0.499 = 1.501\\\\\%T = 10^{1.501} = \mathbf{31.7}

7) Absorbance

A = \log \left (\dfrac{I_{0}}{I} \right ) = \log \left (\dfrac{I_{0}}{0.70I_{0}} \right ) = \log \left (\dfrac{1}{0.70} \right ) = -\log(0.70) = \mathbf{0.15}}

8 0
3 years ago
HELP ASAP PLEASE!!!
Dmitry [639]

Answer:

A. Electrolyte

Explanation:

Concentrated sulfuric acid has a density of 1.84 g/millimeter. When you dilute this with water to 5.20 M, you then have a density of 1.30 g/millimeter, which then can be used as a lead storage for batteries in automobiles. (Got help to answer this at Www.wyzant.com

3 0
3 years ago
What is a covalent bond?
Sphinxa [80]
It is the electron sharing.
electronegative element + electronegative element

exemple :

O₂ , H₂

hope this helps!
3 0
3 years ago
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