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Reil [10]
3 years ago
13

Bradley was working in the lab. He accidentally poured a container of concentrated hydrochloric acid into his container of disti

lled water. Not thinking much of it, he continued with his work as if nothing happened. Which of these would be the result of this laboratory accident?
Chemistry
2 answers:
Alex Ar [27]3 years ago
6 0

Answer: C

on usatestprep

nexus9112 [7]3 years ago
4 0

Answer is: The solution has now become a good conductor of electricity.

Hydrochloric acid (HCl) dissociate on positive ions or cations of hydogen (H⁺) and negative ions or anions of chlorine (Cl⁻) accordinf to balanced chemical reaction:

HCl(aq) → H⁺(aq) + Cl⁻(aq).

When there are free cations and ions, water solution can conduct electricity.

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a rock that originally had a mass of 1.00g of uranium_238 now only has .125g left. how old is the rock if the half life of urani
Romashka [77]

Answer:

no it would be 2.5 mill your welcome

Explanation:

6 0
3 years ago
Petrol does not catch fire on its own at room temperature. Give Reason
tino4ka555 [31]
Because room temperature is below the ignition temperature of petrol. At this temperature energy in the form of heat, flame, or electric spark is needed to start the reaction.
3 0
3 years ago
Which substance is liquid at 0°C? 1. alcohol 2. aluminum 3. ammonia 4. copper
Tanya [424]
Alcohol, alcohol is the only liquid  since copper and aluminum are a solid ammonia is a bacteria
5 0
3 years ago
A gas occupies the volume of 215ml at 15C and 86.4kPa?
kherson [118]

Answer:

About 0.1738 liters

Explanation:

Using the formula PV=nRT, where p represents pressure in atmospheres, v represents volume in liters, n represents the number of moles of ideal gas, R represents the ideal gas constant, and T represents the temperature in kelvin, you can solve this problem. But first, you need to convert to the proper units. 215ml=0.215L, 86.4kPa is about 0.8527 atmospheres, and 15C is 288K. Plugging this into the equation, you get:

0.8527\cdot 0.215=n \cdot 0.0821 \cdot 288\\n\approx 7.754 \cdot 10^{-3}

Now that you know the number of moles of gas, you can plug back into the equation with STP conditions:

1V=7.754 \cdot 10^{-3} \cdot 0.0821 \cdot 273\\V\approx 0.1738L

Hope this helps!

3 0
4 years ago
what is the pH of a solution prepared from solid, neutral 2-nitrophenol providing a fromal concentration of 0.0353M, given that
REY [17]

Answer:

pH = 4.34

Explanation:

pH= -1/2(logKa) -1/2(log C)

= -1/2( log 5.98*10^-8) -1/2(log 0.0353)

=-1/2(-7.22)-1/2(-1.45)

=3.61+0.725= 4.34

7 0
3 years ago
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