Answer:
6x10^-6 M
Explanation:
The relationship between pOH and [OH-] is
pOH = -log[OH-]
Solving this equation for [OH-] is
[OH-] = 10^-pOH
Plugging in the pOH makes
[OH-] = 10^-5.2
= 6.31x10^-6
Rounding to 1 sig fig since pOH and pH sig figs are only the number of decimals means to round to 1 sig fig or
6 x 10^-6 M
Why Hydrochloric acid (HCl) is not an oxidizing agent?
please help I need proper explanation!
Answer:
Strong acids completely dissociate in water to H+ ions and extremely weak conjugate base anions.
Explanation:
its a weak acid
Answer:
because its didn't form H+ ions when react with water
What is the balanced equation for the redox reaction between zinc and hydrochloric acid (HCl) that forms zinc(II) ions and hydrogen gas? A. 2Zn + HCl + H+ Zn2Cl + H2 B. Zn + 2H+ 2Zn2+ + H2 C. 2Zn + 2H+ 2Zn2+ + H2 + 2e- D. Zn + 2H+ 2Zn2+ + H2 + 2e-
The balanced equation for the redox reaction between zinc and hydrochloric acid (HCl) that forms zinc(II) ions and hydrogen gas is as follows:
Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)
What is a redox reaction?A redox reaction is a type of chemical reaction in which some of the atoms have their oxidation number changed.
According to this question, the redox reaction between zinc and hydrochloric acid (HCl) forms zinc(II) ions and hydrogen gas. The balanced equation is as follows:
Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)
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A gas occupies a volume of 1.0 L at 25°C. What volume will the gas occupy at 100°C?
A)
4.0 L
B)
0.80 L
C)
1.3 L
D)
1.0 L
Answer:
A
Explanation:
1.0 L * 4 = 4L volume that the gas can occupy at 100 degree Celsius
If you have 1.50 moles of Bismuth (11) Sulfate in 0.750 m3, what would be the density of the material?
Does combining the glue and water create a physical or chemical change?
The combination of glue and water creates a physical change rather than a chemical change.
Physical and chemical changesPhysical changes are changes to the physical properties of materials and are usually reversible.
Chemical changes, on the other hand, are changes to the chemical properties of materials and are usually irreversible.
Mixing water with glue will only result in the glue being diluted with water and creates no chemical reaction. The glue can be recovered by distilling off the water.
Thus, mixing glues with water is only a physical change as the chemical properties of the glue remain intact.
More on physical and chemical changes can be found here: https://brainly.com/question/11321843
Draw the Lewis structure for sulfur tetrafluoride, SF4
Notes:-
S has Z=16Electronic configuration
1s²2s²2p⁶3s²3p⁴So
Valency is 4 and 6Three fluorine atoms take 3 electrons and one lone pair present over S As one electron remains unshared so we use + sign .What is the term used to describe why urban areas are warmer than surrounding rural areas?
Question 2 options:
Downtown island effect
Rural cooling effect
Global warming effect
Urban heat island effect
Answer:
urban heat island
Explanation:
occurs when a city experiences much warmer temperatures than nearby rural areas.
Mark me brainliest.
2. What are the main processes by which metamorphic rock is created?
erosion and deposition
melting and volcanic activity
erosion and heat
heat and pressure
This figure shows the dimensions of a right triangular prism.
Right prism with triangular base. Height of triangle labeled 2 m and base labeled 3 m. Height of prism labeled 8 m.
What is the volume of the right triangular prism in cubic meters?
144 m3
16 m3
24 m3
48 m3
Answer:
ik that its not 48 because i answerd 48 and i got it wrong and im pretty sure its also not 144
Explanation:
From the calculations and the data given, the volume of the triangular prism is 24 m3.
What is a traingular prism?The trangular prism is a prismatic figure that has a trianguar base. We know that the formula for the volume of a triangular prism is;
V = 1/2 a c h
Now;
a = 2 m
b = 3 m
h = 8 m
V = 1/2 * 2 m * 3 m * 8 m
= 24 m3
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A) Which statement best summarizes the way the sun produces energy? (1 point)
Combustion reactions in the sun release large amounts of chemical energy.
Fusion reactions in the sun release large amounts of chemical energy.
Combustion reactions in the sun convert small amounts of matter into large amounts of energy.
Fusion reactions in the sun convert small amounts of matter into large amounts of energy.
Answer:
1. The combined number of protons and neutrons remains constant.
2. There are two atoms with mass numbers of 2.
3. It is the number of protons plus neutrons.
4. A nucleus with a greater mass than any of the reactants will be produced.
5. Fusion reactions in the sun convert small amounts of matter into large amounts of energy.
Explanation: I couldn't see the comments so I guess some ppl can't either but here you go got them all correct! :)
Th sun produces energy through fusion reaction by converting small amount of matter into larger amounts of energy.
Nuclear fusion in the sunThe sun is able to produce energy because protons of hydrogen atoms present in the sun collide violently in the sun's core and fuse together leading to the formation helium atom.
This process of fussion is referred to as a PP (proton-proton) chain reaction, and it emits an enormous amount of energy
Learn more about Fussion at https://brainly.com/question/638069