Chemistry » Page 90

Chemistry

Madalyn Booth

Identify the element in urea that makes it an organic compound

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Chemistry

Marley Anderson

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they?

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Chemistry

Roselyn Meza

Does sodium have a positive or negative charge after ionization?

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Chemistry

Alvin Sparks

Four liquids were poured on top of each other in a glass, and the liquids separated into four different layers. Which liquid had the lowest density?

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Chemistry

Elianna Santos

Determine the volume occupied by 0.58 mol of a gas at 15°C if the pressure is at 81.8 kPa

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Chemistry

Jayson Abbott

Wat is a redox reaction

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Chemistry

Colt Charles

What is the electron configuration for Ba

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Chemistry

Guest

What does the x represent on a motion map

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Chemistry

Ruby Hooper

Woods synthetic products are derived from the natural resource.

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Chemistry

Edith Cooley

You have reacted calcium nitrate with sodium chloride, sodium phosphate, and sodium oxalate. of the three reactions which ones would form a precipitate?

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Chemistry

Maryjane

What is the ratio of molecules in:

CH4 + 2O2 - > CO2 + 2H2O

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Chemistry

Averie

A 390 mL solutions of 4.6 M HCl is left out over the weekend and 74 mL of solvent evaporates. What is the new concentration of HCl?

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Chemistry

Elisabeth Santana

How many grams of NH3 can be produced from the reaction of 17.8 moles of H2 and a sufficient supply of N2? N2 + 3 H2 → 2 NH3

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Chemistry

Alayna Christensen

A 5.00g ball of hot iron at 200 degrees celcius is dropped int owater at 20 degrees celcius. The system acheives thermal equilibrium at 25 degrees celicus. calculate the mass of water heated.

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Chemistry

Annabella

How can human activity can impact an organism's ability to obtain the resources it needs to survive

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