Answer:
Volume in L = 0.028 L
Explanation:
Given data:
Mass of copper phosphate = 27.6 g
Molarity solution = 6.03 M
Volume of solution = ?
Solution:
First of all we will calculate the number of moles of copper phosphate.
Number of moles = mass/molar mass
Number of moles = 27.6 g/ 159.61 g/mol
Number of moles = 0.17 mol
Volume of solution:
Molarity = number of moles / volume in L
By putting values,
6.03 M = 0.17 mol / volume in L
Volume in L = 0.17 mol / 6.03 M
Volume in L = 0.028 L
Answer:
proton,neutron and electron
Yes the statement is True i.e. when a metal reacts with a nonmetal, the metal tends to gain electrons.
A metal tends to gain or lose electrons depending on whether a nonmetal tends to gain electrons or a metal tends to lose electrons, if both a nonmetal and a nonmetal tend to lose electrons and if neither of the other choices apply. Or metal frequently pulls electrons. It turns out that lines are formed when a metal combines with a non-metal because electrons are transferred from the metal atoms to the non-metal atoms, demonstrating that the metal is giving electrons. It loses electrons and transfers them to non-metals, or we could say that it does both. Nonmetal further acquires electrons. As a result, when a metal reacts normally, that is the acceptable answer. Metals typically lose electrons when creating an ionic compound, while nonmetals typically gain electrons. Since the valence shell is the outermost shell that matters, the reason is that they have fewer electrons in their valence shells, which makes it simple for them to lose electrons rather than gain them.
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Answer:
The correct Option is C (It is polar, because the bond polarities add together in a bent molecule.)
Explanation:
The molecular structure of Hydrogen Sulfide (H₂S) is attached below;
The molecule of Hydrogen Sulfide is polar due to following two reasons;
1) Electronegativity Difference:
Sulfur has an electronegativity of 2.58 while that of Hydrogen is 2.20. Hence, sulfur being more electronegative attracts the electron fro hydrogen making it slightly partial positive and increasing electron density and becoming slightly partially positive. So, we can call this bond as slightly polar bond.
2) Dipole Moment:
Dipole moment occurs when the bond is polar. Being a vector quantity it strongly depends upon the geometry of a molecule. In H₂S the two polar bonds cannot cancel each other because they are not in opposite direction as that found in case of CO₂. Hence, H₂S is a polar compound.
Answer is: temperature must be increased to very high values.
The change in
Gibbs free energy (ΔG), at constant temperature and pressure, is: <span>ΔG=ΔH−TΔS.
ΔH is the change in enthalpy; in this example </span>ΔH>0.<span>.
ΔS is change in entropy; </span>ΔS>0.<span>
T is temperature of the system.
When ΔG is negative, a reaction (occurs without the addition of
external energy) will be spontaneous (exergonic).
TΔS > ΔH.</span>
