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Chemistry questions need answering

Need the following chemistry questions answered please:

## Deliverables

Draw a basic diagram of an atom, showing the location, charge and relative weight of each subatomic particle Using water and carbon dioxide as examples briefly explain the difference between a polar covalent bond, and a non-polar covalent bond. Use diagrams if needed. Are the following a combination reaction, a decomposition reaction, a single replacement reaction, or a double displacement reaction: AX + BY > AY + BX XY > X + Y Z + XY > Y + XZ X + Y > XY In the following reaction which substance or substances are the reducing agent, and which substance is the oxidizing agent: Zn + Cu2+ > Zn2+ + Cu Balance the following equations NaHCO3 + K3PO4 > Na3PO4 + KHCO3 Calculate the formula weight of the following compounds/molecules: sodium chloride glucose (C6H12O6) What is a buffer? What is the conjugate base for H2SO4? What is the conjugate acid for ammonia NH3?

Habilidades: Redação técnica

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( 114 comentários ) Sydney, Australia

ID do Projeto: #3030340

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