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Art [367]
3 years ago
7

adding or removing gas to a constant volume what happens to the pressure ? is this a direct or indirect relationship

Chemistry
2 answers:
Elodia [21]3 years ago
5 0
Direct... hope this helps!!!!
posledela3 years ago
3 0
Direct would be your answer

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Somebody please help me!!
mariarad [96]

Answer:

The given isotope is Br 80

If 35 protons present then its atomic number is 35

Mass number is 80 so its meutrons are 45 because proton+ neutron = mass number

Its electron are 36 because of negative one charge

Explanation:

4 0
3 years ago
A = ε l c. (a) Define the terms in the formula: A = ε l c. (Pick your answers using the letter of the correct definition.)
VladimirAG [237]

Explanation:

Using Beer-Lambert's law :

Formula used :

A=\epsilon \times c\times l

where,

A = absorbance of solution

c = concentration of solution

l = length of the cell

\epsilon = molar absorptivity of this solution

According to question:

A = (C) : absorbance measured by the spectrometer

c = (B) : concentration, in mol/L, of the stock solution from which the sample was made

l = (A): pathlength of light through the cell

ε =  (D) : molar absorptivity, a constant unique to that substance at that wavelength

7 0
3 years ago
Write the equilibrium constant expression for this reaction: CH3OH (aq)+Cl-(aq)-> CH3Cl(aq)+OH-(aq)
bulgar [2K]

Answer: K_c=\frac{[CH_3Cl]\times [OH^-]}{[CH_3OH]\times [Cl^-]}

Explanation:

Equilibrium constant is the ratio of the concentration of products to the concentration of reactants each term raised to its stochiometric coefficients. Pure solids are assumed to have a concentration of 1.

The given balanced equilibrium reaction is:

 CH_3OH(aq)+Cl^-(aq)\rightleftharpoons CH_3Cl(aq)+OH^-(aq)

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[CH_3Cl]\times [OH^-]}{[CH_3OH]\times [Cl^-]}

Thus the equilibrium constant expression for this reaction is K_c=\frac{[CH_3Cl]\times [OH^-]}{[CH_3OH]\times [Cl^-]}

5 0
3 years ago
What type of bonding requires the complete transfer of an electron from one atom to another?
viktelen [127]

Answer:

An ionic bond

Explanation:

Metals and nonmetals form ionic bonds, in which the metal (low electronegativity) loses electrons to form a cation and the nonmetal (high electronegativity) gains electrons to form an anion. The cation and the anion attract each other through electrostatic forces.

3 0
3 years ago
Write a nuclear equation for the fusion of two h−2 atoms to form he−3 and one neutron.
Svet_ta [14]

'Heavy' hydrogen (the isotope deuterium) , 2/1H is involved ,

[2= mass number, 1= atomic (proton) number]

2/1H + 2/1H → 3/2He + 1/0n

6 0
3 years ago
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