Homework Answers Page 10697

• How to find valency of zinc?

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  Chemistry

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• What is the empirical formula for magnesium sulfate? Thanks!

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  Chemistry

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• Triangle ABC is an obtuse triangle with the obtuse angle at vertex B. Angle A must be?

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  Geometry

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• What is the last part of the digestive system?

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  Psychology

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• For hydrogen, what is the wavelength of the photon emitted when an electron drops from a 4d orbital to a 2p orbital in a hydrogen atom? The Rydberg constant is 1.097 × 10-2 nm-1.

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  Chemistry

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• What are the steps of the phosphorus cycle?

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  Environmental Science

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• What is STP in chemistry?

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  Chemistry

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• What body system is the hypothalamus in?

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  Psychology

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• What is the meaning of the prefix "para"?

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  English

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• How far is Mars from the sun in light years?

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  Science

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• What does a velocity vs. time graph show?

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  Physics

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• What is the exception to the octet rule with aluminum?

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  Chemistry

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• What is the closest galaxy to our planet earth? Is it the Milky Way galaxy?

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  Science

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• The resistance of a conductor is 5 ohm at 50*c and 6 ohm at 100*c.Its resistance at 0*is??THANK YOU!!

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  Physics

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• Are SN1 reactions faster in polar solvents?

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  Chemistry

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• A punter in a football game kicks a ball from the goal 60° from the horizontal at 25 m/s. What is the hang time afthe punt, and how far down field does the ball land?

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  Physics

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• What is the formula for Boyle's law?

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  Chemistry

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• What is the atomic number of Hydrogen?

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  Chemistry

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• In what year did the Soviet Union collapse?

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  History

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• What is the purpose of an inert solvent?

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  Chemistry

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• On average, the planet Pluto's distance from the sun is about 3,670,000,000 miles. How do you express this distance in scientific notation?

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  Algebra

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• Aluminum hydroxide is a popular antacid. What is the formula of aluminum hydroxide?

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  Chemistry

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• What is Avogadro's Law?

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  Chemistry

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• How do you graph the function 2|x-1|-|2x+3|?

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  Algebra

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• What are some examples of onomatopoeia in The Raven by Edgar Allan Poe?

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  English

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• According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.2 grams of methane (CH4)? methane (CH4) (g) + carbon tetrachloride (g) dichloromethane (CH2Cl2) (g)

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  Chemistry

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• How do you find the equivalent exponential expression ##(7^3)^2##?

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  Algebra

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• Find an equation of the tangent line to the curve at the given point ? y= (sqrt x) , (49,7)

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  Calculus

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• How many minutes are in 0.5 hour?

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  Algebra

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• What is the chemical formula for carbon dioxide?

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  Psychology

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• Your average reading speed is 160 words per minute. There are approximately 800 words on each page of the textbook you need to read. Approximately how long will it take you to read 50 pages of your textbook?

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  Algebra

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• What is the longest muscle of the human body? What is the largest muscle of the upper back?

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  Psychology

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• Can you explain the formation of an ionic compound from barium and nitrogen?

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  Chemistry

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• A marathon is is about 26 miles. How many kilometers are equal to 26 miles?

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  Physics

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• What is satire?

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  English

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• Who became empress of India following the Sepoy Rebellion?

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  History

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• What does apparent and absolute motion mean in astronomy?

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  Science

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• There are 1,000 mg in every gram. If something has a mass of 458 mg. what is the mass expressed in grams?

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  Chemistry

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• How many valence electrons are in potassium and what does a dot diagram of it look like?

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  Chemistry

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• Chemical Formula for Coffee?

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  Chemistry

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• How do i calculate the theoretical delta H for a reaction?

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  Chemistry

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• Write a balanced ionic equation to represent the reaction between sulfur dioxide, ##SO_2##, and the dichromate ion, ##Cr_2O_7^(2-)## in acidic solution to yield the sulfate ion and chromium (III) ion, ##Cr^(3+)##?

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  Chemistry

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• Why do electric lines of force never cross?

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  Physics

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• What do the prefix nimbo- and the suffix -nimbus mean?

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  Science

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• How will u justify a lone pair on carbon in CO ?

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  Chemistry

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• An atom of polonium-218 undergoes alpha decay. What new element is produced?

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  Chemistry

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• Enter the measure of an exterior angle of a regular pentagon?

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  Geometry

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• What is the taxonomic classification for malaria?

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  Biology

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• Which way does the moon and earth rotate around the sun?

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  Science

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• How do I use the vertex formula to determine the vertex of the graph for ## x^2 + 6x + 8y + 25 = 0##?

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  Algebra

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