Chemistry

Why is eating animals to obtain energy considered exothermic
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At room temperature Bromine is a liquid and lodine is a solid, what can be inferredabout the intermolecular forces of these two elements?
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What is leukemia?A. Cancer that affects the bloodB. Prostate cancerC. Breast cancerD. Lung cancer
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Rebekah finds that a solution of sugar in water has a volume of 1. 32 fl. Oz. How should she report this amount using the metric system? (1 fl. Oz. = 29. 6 mL) 0. 403 m 1. 40 qt 37. 5 g 39. 1 mL.
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how many grams are in 1.35 moles of NH3
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what is an adaptive organ of duck
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write a balanced equation for the formation of co2 g from c s and o2 g
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Question 12 of 35Which two specialized structures allow amphibians to live on land?O A. GillsB. LungsC. LegsD. TailSUBMIETI
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What is the formula unit for an ionic compound?
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major classification of crude product
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The pH scale is used to tell if a substanceis an acid or base. Substances with a pHof 7 are neutral. An acid is anythingbelow 7 and a base is anything above7.What would a household cleaner with apH of 10 be considered on the pH scale?
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How many moles of aluminum are needed to react completely with 2.1 moles of FeO? 2Al(s) + 3FeO(s) 3Fe(s) + Al2O3(s)
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Conversion of units of temperature
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Deval drew the models of particles in a substance shown below. Which model best represents the particles in solid
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Choose the best answer.What is the sum?2/3+7/15O 14/15O1/2O1 2/15O3/5
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The percent of attacks on the dark-colored mouse models is how many times greater than the percent of attacks on light-colored models
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A sample of ethanol (C2H6O) has a mass of 0. 2301 g. Complete combustion of this sample causes the temperature of a bomb calorimeter to increase by 1. 33C. The calorimeter has a mass of 2. 000 kg and a specific heat of 2. 45 J/gC. What is the heat of combustion for this sample? kJ.
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In which one element replaces a similar element in a compound
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How many Hydrogen atoms are required to satisfy Oxygen during bonding
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In which of the following reactions is chlorine (Cl) oxidized? Br2 2Cl Cl2 2Br Cl2 2e 2Cl 2ClO3 12H Cl2 6H2O 2Na Cl2 2NaCl.
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On the spectrum, which section has the longest wavelength and the shortest wavelength? (2 answers for this question)
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Two goldfish different parents.One fish has a split tail and the other does not.Why do the goldfish have tails with different shapes?a.Each goldfish has a different tail shape because offspring from different parents will have different tail shapes.b.Each goldfish has a different tail shape because they have different versions of the gene for tail shape that connect together to make different tail shapes.c.The goldfish have different versions of the gene for tail shape.The genes are split inside one goldfish's tail but not inside the other'sThe goldfish have different versions of the gene for tail shape,which instuct for different proteins that connect in different ways to make different tail shapes.
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Determine the frequency of light with a wavelength of 2.672 x 10^-7cm
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3. Type: MTMatch the term to the correct definition1. Homogeneous mixturea. same throughout2. Heterogeneous mixtureb. different throughout
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