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liubo4ka [24]
2 years ago
9

Is this statement true or false?

Chemistry
2 answers:
nadezda [96]2 years ago
7 0

Answer:

True

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ratelena [41]2 years ago
7 0
True, the substance reacted to either the other substance or the surrounding air
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) In another experiment, the student titrated 50.0mL of 0.100MHC2H3O2 with 0.100MNaOH(aq) . Calculate the pH of the solution at
andrew11 [14]

Answer:

Explanation:

moles of acetic acid = 500 x 10⁻³ x .1 M

= 5 X 10⁻³ M

.005 M

Moles of NaOH = .1 M

Moles of sodium acetate formed = .005 M

Moles of NaOH left = .095 M

pOH = 4.8 + log .005 / .095

= 4.8 -1.27875

= 3.52125

pH = 14 - 3.52125

= 10.48

6 0
3 years ago
A gas is initially at a pressure of 4.7 atm and a volume of 7.5 L. When the volume is increased to 10.5 L, what is the new press
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Answer:

P2=3.36 atm

Explanation:

P1×V1=P2×V2

P1×V1÷V2=P2×V2÷V2

P2=4.7×7.5÷10.5

P2=3.36 atm

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3 years ago
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<h2><u>Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles.[2]:1.1 It is the foundation of all quantum physics including quantum chemistry, quantum field theory, quantum technology, and quantum information science.</u></h2>

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4 0
3 years ago
Read 2 more answers
Word equation of cu+agno3=ag+cu(no3)2
Debora [2.8K]

Answer:

silver nitrate + copper = silver + copper

Explanation:

silver nitrate + copper = silver + copper

5 0
3 years ago
7. Given the balanced equation:
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Gas molecules have more freedom in motion—and gases can be thought of as more “disordered”—than molecules of a solid, which are rigidly held in place. When it comes to phases, the entropy increases as you go from a solid to liquid to gas (the gaseous state having the greatest entropy and the solid state having the least).

So, as a sample of solid iodine sublimes to form gaseous iodine, the entropy of the sample increases.
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3 years ago
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