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Iteru [2.4K]
3 years ago
7

Question 1 of 25

Chemistry
1 answer:
Vanyuwa [196]3 years ago
7 0

Answer:

C. Dalton

Explanation:

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Who can help me with this? I will give brainliest lmk!
luda_lava [24]

IN THIS ORDER: nucleon, neutrons, element, different, isotopes, industrial

hope this helps!

8 0
3 years ago
Methane gas is collected over water at 25 C and an atmospheric pressure of 775 mmHg. What is the dry pressure of the gas at this
Pachacha [2.7K]

Answer:

25775 = 0.0313

6 0
2 years ago
glacial acetic acid is the concentrated form of acetic acid, the acid in vinegar. the term glacial refers to the appearance of t
Soloha48 [4]
The correct answer for the question that is being presented above is this one: "16.7 degrees celsius."Glacial acetic acid is the concentrated form of acetic acid, the acid in vinegar. the term glacial refers to the appearance of the solid form, which <span>resembles glacial ice. </span>
Delta H = 24.32 kj/ mol and Delta S = 83.93 j/ mol . k
7 0
3 years ago
Which of the different components of smog depicted in the graph are most likely released from automobile exhaust?
CaHeK987 [17]

Answer:

B, B and C

Explanation:

6 0
3 years ago
.950 L of .420 M H2SO4 is mixed with .900 L of .260 M KOH. What concentration of sulfuric acid remains after neutralization?
kipiarov [429]
H₂SO₄:

V=0,95L
Cm=0,420mol/L

n = CmV = 0,42mol/L * 0,95L = 0,399mol

KOH:

V=0,9L
Cm=0,26mol/L

n = CmV = 0,26mol/L * 0,9L = 0,234mol

H₂SO₄            +           2KOH ⇒ K₂SO₄ + 2H₂O
1mol                :           2mol
0,399mol         :           0,234mol
                                    limiting reagent
reamins: 0,399mol - 0,117mol = 0,282mol

n = 0,282mol
V = 0,950L + 0,900L = 1,85L

Cm = n / V = 0,282mol / 1,85L ≈ 0,152M
3 0
3 years ago
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