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Chemistry

Is an american alligator a autotroph?

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Chemistry

A/1 * B/C = D, You find yourself with 17 guilders (a gold coin) but you are planning on taking a trip to a country where the local currency is the florin. The current exchange rate is 2 guilders for every 3 florins. Using the above exchange rate, and the template for conversions, set up an equation to convert your 17 guilders into florins. What should you place in space B of the template? (Hints: Treat the exchange rate as a conversion factor. Assume no service charge for the transaction) A. 25.5 florins B. 3 florins C. 2 guilders D. 17 guilders

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Chemistry

The burning of wood in a fireplace generates heat and light in the form of flames. Which of the following terms best describes this type of reaction?

a. condensation reaction

b. exergonic reaction

c. endergonic reaction

d. oxidation-reduction reaction

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Chemistry

How are the number of protons and the number of neutrons related?

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Chemistry

If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 mL of water when placed in a beaker, what is its mass?

a 1.46 g

b. 0.685 g

c. 116 g

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Chemistry

Which statement accurately describes the origin and expansion of the universe

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Chemistry

Conversion. 5 km to inches

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Chemistry

How many kilojouls are required at 0c to melt an ice cube with a mass of 25g

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Chemistry

Which substance is the oxidizing agent in this reaction? 2CuO+C→2Cu+CO2 Express your answer as a chemical formula.

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Chemistry

Why does the light bulbs have to be part of the loop in order for it to be succesful?

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Chemistry

Which best describes the transition from gas to liquid?

Energy must be removed because particles in liquid move more slowly.

Energy must be added because particles in liquid move more quickly.

Energy is neither added nor removed in this phase transition.

Energy is either removed or added, depending on the type of particles.

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Chemistry

Calculate the mass of a 0.255-ml sample of a liquid with density 0.660 g/ml.

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Chemistry

Which statement correctly describes the interaction between magnetic poles?

North and south poles attract each other.

North and south poles repel each other.

Two north poles will attract each other.

Two south poles will attract each other.

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Chemistry

You are measuring the mass of various shapes objecys and identifying their shaped ypu then record the qualitative and quanatitave data in a table is qualitataive wnd which is quatitaive

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Catalina Rogers

Chemistry

A positively charged wire is attracted to a negatively charged piece of metal. What force causes this?

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