What produces hydrogen ions as The only positive ions in aqueous solution

Answers

Answer 1

Answer: Mostly acids produces H+ ions. Acids dissociates into ions when in aqueous form resulting to hydronium or hydrogen ions and the other ion which has a negative charge. For instance, hydrochloric acid, it dissociates into H+ and Cl-.

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Which statements about hydrogen bonding in water are true?a. The hydrogen atoms of a water molecule have a partial positive charge.
b. The oxygen atom of a water molecule is more electronegative than a hydrogen atom.
c. The hydrogen atoms of a water molecule have a partial negative charge.
d. The hydrogen atom of one water molecule is attracted to the oxygen atom of a different water molecule.
e. The hydrogen atom of a water molecule is attracted to the oxygen atom of the same water molecule.
f. The oxygen atom of a water molecule has a partial positive charge.
g The oxygen atom of a water molecule has a partial negative charge.

Answers

Answer:

The answer to your question is below

Explanation:

a. The hydrogen atoms of a water molecule have a partial positive charge. True.

b. The oxygen atom of a water molecule is more electronegative than a hydrogen atom. True

c. The hydrogen atoms of a water molecule have a partial negative charge. False

d. The hydrogen atom of one water molecule is attracted to the oxygen atom of a different water molecule. True

e. The hydrogen atom of a water molecule is attracted to the oxygen atom of the same water molecule. False,

f. The oxygen atom of a water molecule has a partial positive charge. True

g The oxygen atom of a water molecule has a partial negative charge. True

4Fe + 3O2à 2Fe2O3 is a balanced equation. What is the charge on each iron (Fe) ion in hematite (Fe2O3)?A. +1
B. +2
C. +3
D. +4

Answers

Answer: The correct answer is Option C.

Explanation:

Oxidation state is the number which is assigned to an element when it gains or looses electrons. If the element gains electron, it will attain a negative oxidation state and if the element looses electrons, it will attain a positive oxidation state.

We take the oxidation state of iron atom be 'x'.

Oxidation state of oxygen atom = -2

Evaluating the oxidation state of iron atom in $Fe_2O_3$ :

$2x+3(-2)=0\n\nx=+3$

Hence, the correct answer is Option C.

+3 I would say, in Fe2O3. O3=-6 Fe=+6 balances to 0

Waves with the shortest wave lengths have the highest

Answers

Answer:

shortest wavelength - gamma rays

highest wavelength - radio waves

Explanation:

Look at the electromagnetic spectrum

Answer:

I don't use your question?

What is the work done when a volume increases from 3 litersto 5 liters at 6 atm of pressure? (Conversion factor: 1 L atm = 100))

Answers

Answer:

-1215.9J is the work done

Explanation:

It is possible to find work done in the change of volume of a gas at constant pressure using:

W = -P×ΔV

Where W is work, P is pressure and V is change in volume}

Replacing:

W = -6atm×(5L-3L)

W = -12atmL

As 1atmL = 101,325J, work done in joules is:

-12atmL ×(101.325J / atmL) = -1215.9J is the work done

The value of work done when a volume increases from 3 liters to 5 liters at 6 atm of pressure is -1215.9 Joules.

How do we calculate workdone?

Workdone on any boby or by the body will be calculated as:

W = -P×ΔV, where

W = workdone

P = applied or exerted pressure = 6 atm

ΔV = change in volume due to workdone = (5-3) L

Negative sign in the formula shows that work is done on the opposite side of the pressure or volume.

On putting all these values on the above equation, we get

W = -6atm × (5L-3L)

W = -12 atmL

We know that, 1 atmL = 101,325 J,

So, workdone in joules will be written as:

-12 atmL × (101.325J / atmL) = -1215.9 J

Hence, -1215.9 J is the workdone.

To know more about workdone, visit the below link:
brainly.com/question/18363506

What is the formula of sulfurous acid?
H2S
HSO4
H2SO4
H2SO3

Answers

The correct answer is H2SO3 I took the assignment already

You fill a rigid steel cylinder that has a volume of 20.0 L with nitrogen gas to a final pressure of 2.00 *10^4 Kpa at 28c How many kilograms of N2 does the cylinder contain