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natali 33 [55]
3 years ago
11

For the following Bronsted acid-base reaction, complete the reaction, identify the acid, base, conjugate

Chemistry
1 answer:
madam [21]3 years ago
7 0

Answer:

algun moderador puede acabar a este otro este me borró respuesta que no debió borrar

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How many liters of Cl2 gas will you have if you are using 63 g of Na?
ELEN [110]

Answer:

You will have 19.9L of Cl2

Explanation:

We can solve this question using:

PV = nRT; V = nRT/P

<em>Where V is the volume of the gas</em>

<em>n the moles of Cl2</em>

<em>R is gas constant = 0.082atmL/molK</em>

<em>T is 273.15K assuming STP conditions</em>

<em>P is 1atm at STP</em>

The moles of 63g of Cl2 gas are -molar mass: 70.906g/mol:

63g * (1mol / 70.906g) = 0.8885 moles

Replacing:

V = 0.8885mol*0.082atmL/molK*273.15K/1atm

V = You will have 19.9L of Cl2

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Enzymes are proteins that speed up chemical reactions in the body. How do they work?
KATRIN_1 [288]
They work by lowering the activation energy
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Empirical formula for H2S2O8
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<span>What is the molecular formula of a compound containing 25.6g of oxygen, 12.6g of sulfur and 0.4g of hydrogen? The Mr of the compound is 194.2</span>
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3 years ago
1. Which is composed of matter? (6P21)<br> A. Electricity<br> B. An atom<br> C. Light<br> D. heat
soldi70 [24.7K]

Answer:

An atom

Explanation:

Matter is composed of atoms and atom is further consist of smaller particles called electron, proton and neutrons.

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e-

Mass= 9.10938356×10-31 Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P+  

Symbol of neutron= n0  

Mass of proton=1.672623×10-27 Kg

Mass of neutron=1.674929×10-27 Kg

The atom interact with another atom by sharing or transferring the electrons. The properties of substances are depend upon the electrons present out side the nucleus.

7 0
3 years ago
A salad including lettuce, tomatoes, and onions would be classified as a _________.
ANEK [815]

Answer:

simple salad

Explanation:

8 0
3 years ago
Read 2 more answers
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