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bixtya [17]
4 years ago
14

If we wanted to add to the Venn diagram to reflect the Arrhenius acid-base theory, which statements would be MOST appropriate? A

) Acids are electrolytes. Bases are non-electrolytes. B) Acids produce H+. Bases produce OH-. C) Acids are H+ donors. Bases are H+ acceptors. D) Acids are electron pair acceptors. Bases are electron pair donors.
Chemistry
1 answer:
Arlecino [84]4 years ago
4 0

Answer:b

Explanation:

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A sample of gas has increased from 20 degrees Celsius to 22 degrees Celsius. Which of the following happens as the temperature o
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What is the "following"? You didn't list any choices.
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3 years ago
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ANYONE HELP ME IN CHEMISTRY:(<br>JUST THE NAME AND SYMBOL <br>ANYONE WHO CAN HELP ME:(​
lana [24]

Answer:

Hydrogen: H, Helium: He, Carbon: C

Nitrogen: N, Oxygen: O, Fluorine: F

Neon: Ne, Sodium: Na, Magnesium: Mg

Aluminum: Al, Silicon: Si, Phosphorus: P

Chlorine: Cl, Selenium: Se, Silver: Ag

Titanium: Ti, Beryllium: Be, Lithium: Li

Uranium: U, Nickel: Ni , Copper: Cu

Bromine: Br, Cadmium: Cd, Zinc: Zn

Cobalt: Co, Gallium: Ga, Germanium: Ge

Iron: Fe, Krypton: Kr, Potassium: K

Calcium: Ca, Chromium: Cr, Manganese: Mn

Scandium: Sc, Tin: Sn, Vanadium: V

Platinum: Pt, Boron: B, Au: Gold

7 0
3 years ago
A piece of sodium metal reacts completely with water to produce sodium hydroxide and hydrogen gas. the hydrogen gas generated is
Evgesh-ka [11]
We get the pressure of the hydrogen gas from the difference between the measured pressure and the vapor pressure of water:
     total pressure = Pressure of H2 + Vapor Pressure of H2O
     1.00 atm = Pressure of H2 + 0.0313 atm
     Pressure of H2 = 1.00 atm - 0.0313 atm = 0.9687 atm

From the ideal gas law,
     PV = nRT
we can calculate for the number of moles of H2 as
     n = PV/RT = (0.9687 atm)(0.246L) / (0.08206 L·atm/mol·K)(298.15 K)
        = 0.00974 mol H2
where 
     V = 246 mL (1 L / 1000 mL) = 0.246 L
     T = 25 degrees Celsius + 273.15 = 298.15 K 

We use the mole ratio of Na and H2 from the reaction of sodium metal with water as shown in the equation 
     2Na(s) + 2H2O(l) → 2 NaOH(aq) + H2(g)
and the molar mass of sodium Na to get the mass of sodium used in the reaction:
     mass of Na = 0.00974 mol H2 (2 mol Na /1 mol H2)(22.99 g Na/1 mol Na)
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4 0
3 years ago
A continuous fractionating column is designed to separate a mixture of benzene
densk [106]

Answer:

in the fraction distillation method, two liquids such as benzene and toluene are produced from the mixture of benzene  and toluene.

Explanation:

Fractional distillation is a technique used in the industries for the separation of two or more liquids from one another. In this process liquid is heated, those liquid has lower boiling point will change into vapor form and collect in the upper chamber of fractional distillation while the liquid having higher boiling point also evaporates after sometime and keep it in another chamber. In the mixture of benzene  and toluene, the boiling point of benzene is lower so it evaporates earlier than toluene.

6 0
3 years ago
Which action is a critical part of listening?
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Option A

using verbal and nonverbal communication to show a person is listening is a critical part of listening

<u>Explanation:</u>

An adequate hearer obligation listens and recognizes the language sounds focused approaching them, know the information of the sounds, critically estimate or estimate that information, retrieve what’s implied stated, and acknowledge either orally or nonverbally to erudition they’ve earned.

Answering occasions imparting literal and nonverbal intelligence that show attentiveness and perception or a shortage thereof. We convey verbatim and nonverbal feedback while the added character is speaking and later they are ingested. Assess the trustworthiness, completeness, and quality of an information ere responding with lexical and nonverbal beacons.

6 0
3 years ago
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