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adoni [48]
3 years ago
5

Atomic emission spectra are unique to each element. true false

Chemistry
2 answers:
11111nata11111 [884]3 years ago
8 0
True, bc each element emits lights that have an unique wavelength and frequency
WARRIOR [948]3 years ago
3 0

Answer:

true

Explanation:

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At 95°C, the pressure of a sample of chlorine is 1.15atm. What will the pressure be at 105°C, assuming constant volume?
Jobisdone [24]

Answer:

95+273=368k

105+273=378k

(1 .15/368)×378

=1.18

4 0
3 years ago
if during the interaction of 36.5 g of hydrochloric acid with magnesium 137 kg of joules energy are released, how much energy wo
svetoff [14.1K]

Explanation:

ANSWER

The molarity =

molecularweight

density×purity×10

=

36.5

1.18×36.5×10

=11.8molar

7 0
3 years ago
PLS HELP ME!!!!! IM TIMMED!!!!!!!
tresset_1 [31]

Answer:

Where is the question?

Explanation:

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3 years ago
At 24°C, Kp = 0.080 for the equilibrium: NH4HS (s) NH3 (g) + H2S (g) A sample of solid NH4HS is placed in a closed vessel and al
miss Akunina [59]

Answer:

Partial pressure of ammonia is 0,28.

Explanation:

For the reaction:

NH₄HS(s) ⇄ NH₃(g) + H₂S(g)

kp = 0,080 is defined as:

0,080 = P[NH₃]  P[H₂S] <em>(1)</em>

Where P[NH₃] is partial pressure of NH₃

Asuming amount of NH₄HS is 1, equilibrium concentration for each compound is:

[NH₄HS] = 1 - x

P [NH₃] = x

P [H₂S] = x

Replacing in (1):

0,080 = X×X

0,080 = X²

X = 0,28 = P[NH₃]

I hope it helps

7 0
3 years ago
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