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dem82 [27]
4 years ago
7

Which brand has 8 pH from drinking water?

Chemistry
1 answer:
Stells [14]4 years ago
6 0
VOSS and Alkalife and Evamor
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A carbon atom is able to form four single covalent bonds because it
kati45 [8]
 <span>has four valence electrons in its outermost energy level. 
An organic compound in which a carbonyl group is bonded to two different carbon atoms is a(n) ketone. 
All of the following release carbon into the atmosphere except the 
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3 years ago
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Super easy help me out
kupik [55]
The possibility for this answer would be E.
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Using your knowledge of reactions and mechanisms, draw the mechanism for the formation of 2-methylpropene from 2-methyl-2-propan
BARSIC [14]

Answer:

Here's what I get  

Explanation:

The reaction is an E1 elimination of an alcohol to form an alkene. It has three steps:

1. Protonation

The alcohol is protonated with aqueous sulfuric acid to convert it into a better leaving group.

2. Loss of the leaving group

A water molecule leaves in a unimolecular process to form a stable 3° carbocation.

3. Loss of an α-hydrogen

A water molecule removes an α-hydrogen, forming 2-methylpropene and regenerating the original hydronium ion.

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3 years ago
Chromosomes contain the genetic material found in cells. true or false?<br><br> 1. true<br> 2. false
Over [174]
The answer is 1.true. DNA
7 0
3 years ago
A gas mixture consists of 320 mg of methane, 175 mg of argon, and 225 mg of neon. the partial pressure of neon at 300k is 8.87 k
Vladimir [108]
To determine the volume of the gas mixture, we first need to determine the total pressure of the mixture. To do this, we use the definition of the partial pressure of a component in the gas mixture. The partial pressure is the pressure of a component as if it were alone in the container. It is equal to  the mole fraction of the component times the total pressure of the system. From this, we determine total pressure.

Pneon = xneonP
P = Pneon / xneon
P = 8.87 kPa / (225 / (225 + 320 + 175))
P = 8.87 kPa / 0.3125 = 28.384 kPa

Assuming ideal gas, we use PV=nRT to calculate for the volume,
PV = nRT
V = nRT / P

n = 225 mg ( 1 mmol / 20.18 mg) + 320 mg ( 1 mmol / 16.05 mg ) + 175 mg ( 1 mmol / 39.95 mg ) = 35.47 mg = 35467.0 g 

V = 35467.0 (8.314) (300) / (28384) = 3116.68 m^3
5 0
3 years ago
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