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What mass of calcium carbonate would you need to react with dilute hydrochloric acid to produce 10 g calcium chloride?

Equation: CaCO 3 + 2HCl --> CaCl 2 + CO 2 + H 2 O [Ca 40.1 C 12 O 16 Cl 35.5 ] ANSWER: 9.1 g
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Answered by Sam H. Chemistry tutor
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How does an increase in temperature affect the rate of a reaction?

Increasing the temperature of a reaction means increasing the kinetic energy of each particle in the reaction. Increasing a particle's kinetic energy means the particle is moving faster ('Kinetic' indicates ...
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What are the differences between intermolecular and intramolecular forces?

Intermolecular forces are forces between separate molecules that hold the substance together. There are three main types; dipole-dipole interactions, hydrogen bonding and London dispersion forces, which are ...
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Answered by Jamie M. Chemistry tutor
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a) Give a balanced equation for the complete combustion of butane, b) Explain how this would change if there was insufficient oxygen present, and explain the problems this causes

C 4 H 10 + 6.5O 2 -> 4CO 2 + 5H 2 O If there is not enough oxygen, incomplete combustion will occur, so CO (carbon monoxide) will be formed, carbon will form soot, and unburnt hydrocarbons will be release...
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Answered by Abigail P. Chemistry tutor
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What is Fractional Distillation and how does it work?

Fractional Distillation is a method used in industry to separate different sized hydrocarbons (long chains that consist of hydrogen and carbon ). This is useful as it means crude oil can be separated into mo...
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Answered by Fred P. Chemistry tutor
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