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Butoxors [25]
4 years ago
7

Which item is made from an acidic ingredient? (

Chemistry
2 answers:
nika2105 [10]4 years ago
8 0

The correct answer is D) Vinegar. Since vinegar reacts to baking soda (which is basic), I know that, based on the question, vinegar is the correct answer.

german4 years ago
7 0

the answer is baking soda


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Which of these statements is true?
barxatty [35]

Answer:

(d) All spontaneous reactions have a negative free-energy change

Explanation:

All spontaneous reactions releases free energy which can be used later for the work to be done. A reaction with a negative value for ΔG releases free energy and is thus spontaneous

5 0
3 years ago
When a test instrument is calibrated, does its accuracy, precision, or reliability improve?
My name is Ann [436]

The answer is accuracy.

That is when a test instrument is calibrated, its accuracy is improved. That is the result comes more close to what it is.

The other factor will not be improved that is its reliability and precision remains the same.

So the answer is accuracy is improved when a test instrument is calibrated.

8 0
4 years ago
Does the oxidant cause oxidation or reduction?
kvasek [131]
An oxidant or oxidizing agent is the substance in the redox reaction which undergoes reduction. Reduction occurs when the substance's charge has lowered after the reaction.The other process where the charge increases is called oxidtion.
8 0
4 years ago
Solution A is a 1.00 L buffer solution that is 1.188 M in acetic acid and 1.188 M in sodium acetate. Acetic acid has a pKa of 4.
Tomtit [17]

Answer:

pH change is -0.07

Explanation:

Using H-H equation for acetic acid:

pH = pKa + log [Acetate salt] / [Acetic acid]

Replacing:

pH = 4.74 + log[1.188M] / [1.188M]

pH = 4.74

The HCl reacts with sodium acetate producing acetic acid, thus:

HCl + CH₃COONa → CH₃COOH + NaCl

That means the final moles of sodium acetate are initial moles - moles of HCl and moles of acetic acid are initial moles + moles of HCl.

As the volume of the buffer is 1.0L, initial moles of both substances are 1.188moles. After reaction, the moles are:

sodium acetate: 1.188mol - 0.1mol = 1.088mol

Acetic acid: 1.188mol + 0.1mol = 1.288mol

Using again H-H equation:

pH = 4.74 + log[1.088M] / [1.288M]

pH = 4.67

pH change is: 4.67 - 4.74 = -0.07

7 0
3 years ago
Please answer cansend to me​
Ahat [919]
The answer is thank u for the points!
8 0
3 years ago
Read 2 more answers
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