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VladimirAG [237]
3 years ago
9

A student mixes 4.50 grams of sodium chloride with 1.25 grams of ammonium chloride. If no chemical reaction has occurred, she ha

s
prepared a(n)-
Chemistry
1 answer:
Rasek [7]3 years ago
8 0

this is an inert reaction.

NaCl + NH4Cl ---> NaCl + NH4Cl

The products would contain the same molecules as the reactant side due to the fact that both reactants contain Chloride.

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Which base(s) is weaker than ammonia?
Dominik [7]

Answer:

Hydroxylamine and pyridine

Explanation:

Just did it

8 0
3 years ago
A photon of light has an energy of 1.83 x 10-18). What is the wavelength of this light? Does this light fall in the IR, visible,
Scrat [10]

Answer:

1.09 × 10⁻⁷ m

UV region

Explanation:

Step 1: Given and required data

Energy of the photon of light (E): 1.83 × 10⁻¹⁸ J

Planck's constant (h): 6.63 × 10⁻³⁴ J.s

Speed of light (c): 3.00 × 10⁸ m/s

Step 2: Calculate the wavelength (λ) of this photon of light

We will use the Planck-Einstein's relation.

E = h × c/λ

λ = h × c/E

λ = 6.63 × 10⁻³⁴ J.s × (3.00 × 10⁸ m/s)/1.83 × 10⁻¹⁸ J = 1.09 × 10⁻⁷ m

This wavelenght falls in the UV region of the electromagnetic spectrum.

4 0
3 years ago
Find w12, the work done on the gas as it expands from state 1 to state 2.
dem82 [27]
The equation for work is
W = PdV
and it is integrated and limits are the conditions of state 1 and state 2
If the gas is ideal and the expansion is isothermal, then P = nRT/V and the equation can be integrated with respect to V
If the process is adiabatic, the equation P1V1^g = PV^g can be used to substitue P in terms of conditions of State 1.
7 0
3 years ago
2. Calculating density of an object with a regular shape
Tatiana [17]

D= 0.10125kg/m^3

EXPLAINATION
Density =mass/volume
D= 226.8/20 x 8 x 14
D=226.8/2240
D= 0.10125kg/m^3
Hope it was helpfull!!
6 0
3 years ago
imagine that you were an ecologist need to estimate the number of spiders in Abeling 500 m² of a rainforest please explain the p
Reptile [31]

I tried asking my sister for this but she doesn't get it neither do I

5 0
3 years ago
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