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Chemistry
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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: CaCO3 + 2HCl --> CaCl2 + CO2 + H2O [Ca40.1 C12 O16 Cl35.5]ANSWER: 9.1 g

SH
Answered by Sam H. • Chemistry tutor
3170 Views

How would you check for halides within a compound and differentiate between them?

Add silver nitrate to the aqueous solution. If a precipitate forms then solution contains halide ions. Chloride: white. Bromide: cream. Iodide: pale yellow. Adding dilute ammonia will dissolve the chlori...

AN
Answered by Artem N. • Chemistry tutor
2653 Views

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' indicat...

KW
3714 Views

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 a...

JM
Answered by Jamie M. • Chemistry tutor
31316 Views

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

C4H10 + 6.5O2 -> 4CO2 + 5H2O
If there is not enough oxygen, incomplete combustion will occur, so CO (carbon monoxide) will be formed, carbon ...

AP
Answered by Abigail P. • Chemistry tutor
9225 Views

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