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Calculate the mass of water produced when 1.41 g
of butane reacts with excess oxygen.
Enter an equation for the precipitation reaction that occurs (if any) when solutions of ammonium chloride and calcium nitrate are mixed.
Express your answer as a chemical equation. Identify all of the phases in your answer. Enter noreaction if no precipitate is formed.
A hypothetical molecule, X–Y, has a dipole moment of 1.07 D
1.07 D and a bond length of 147 pm.
147 pm.
Calculate the percent ionic character of this molecule
What connection does chemistry have with music?
Pentane is burnt with 96000cm^3 of oxygen gas at room temperature and pressure.
i. Write the balanced chemical equation for the reaction.
ii. Calculate the volume of carbon dioxide in cubic centimetres (cm^3) produced in the reaction at room temperature and pressure.
iii. Calculate the mass of Zinc needed to react with 50cm^3 0.8M of Hydrochloric acid.
Pentane is burnt with 96000cm^3 of oxygen gas at room temperature and pressure.
i. Write the balanced chemical equation for the reaction.
ii. Calculate the volume of carbon dioxide in cubic centimetres (cm^3) produced in the reaction at room temperature and pressure.
iii. Calculate the mass of Zinc needed to react with 50cm^3 0.8M of Hydrochloric acid.
Energy by the cell in the given cell notation: Zn(s) |Zn2+(aq) || H+(aq)| H2(g) |Pt (s)
When [Zn+2] = 4.0 x 10 -3 M, [H2] = 0.010 M, [H+] = 1.0 M
Cr2O7 2 –(aq) + 14 H+ (aq) + 6 I – 1 (aq) → 2 Cr 3+(aq) + 3I2(s) + 7 H2O(l)
When [Cr2O7 2 – ] = 2.25 M; [H+] = 1.0 M ; [I – 1 ] = 1.0 M ; [H2O] = 1.0 x 10 – 5 M
Calculate the Gibbs free-energy and the standard Gibbs Free-Energy occur in the system
Al(s)l Al3+(aq) ll I 2(s) l I – 1(aq) When [Al+3] = 4.0 x 10 -3 M and [I – 1 ] = 0.010 M
A new linear temperature scale , degrees Zunzol (Z), is based on the freezing point and boiling point of a newly discovered compound zunzol . The freezing point of zunzol , -117.3 °C, is defined as 0Z, and the boiling point of zunzol , 78.4 °C, is defined as 100 Z. What is the freezing point of water in degrees Zunzol ? freezing point : *Z What is the boiling point of water in degrees Zunzol ? boiling point of water in degress Zunzol
