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vaieri [72.5K]
3 years ago
11

Your mother has an unlabeled bottle of clear liquid in the refrigerator. You pour a small cup of the liquid and taste it, and it

has a distinctly sour flavor. The pH of this liquid is MOST likely
Chemistry
1 answer:
Nostrana [21]3 years ago
6 0
The pH of the liquid would be 6 or a 5
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If the condition change such that there are 4 mil at 4 atm and at 270 K, what is the new volume?
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Answer:

Increases in temperature tend to decrease density since volume will generally increase. There are exceptions however, such as water's density increasing between 0°C and 4°C. Below is a table of units in which density is commonly expressed, as well as the densities of some common materials.

Explanation:

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A substance has a mass of 360 g and a volume of 7.5 cm3. What is its density?. a.. 2700 g/cm3. c.. 480 g/cm3. b.. 270 g/cm3. d..
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D = m / V

D = 360 / 7.5

D = 48 g/cm³

Answer D

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copper hydroxide and potassium sulfate are produced when potassium hydroxide reacts with copper sulfate balanced equation
a_sh-v [17]

This problem is requiring the balanced chemical equation that takes place when copper hydroxide and potassium sulfate are produced when reacting potassium hydroxide with copper sulfate.

<h3>Balancing chemical equations:</h3>

In chemistry, balancing chemical equations is based on the law of conservation of mass, which demands us to have equal number of atoms on both sides of the chemical equation. This can be accomplished by inserting coefficients in front of the chemical species.

For this particular case, we have potassium hydroxide with copper sulfate on the reactants side, however, copper can be copper (I) or copper (II) as it has 1+ and 2+ as its possible oxidation numbers. In addition, copper hydroxide and potassium sulfate as the products. Hence, we can assume this is all about copper (II) so we can write:

KOH+CuSO_4\rightarrow K_2SO_4+Cu(OH)_2

As we can see, potassium, hydrogen and oxygen have two atoms each on the products side, but just one on the reactants side; drawback we can overcome by putting a 2 in front of KOH so as to balance it:

2KOH+CuSO_4\rightarrow K_2SO_4+Cu(OH)_2

Learn more about balancing chemical equations: brainly.com/question/8062886

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2 years ago
T/F according to the law of conservation of energy, when you use energy
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I think the answer is false
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3 years ago
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