Chemistry, 06.10.2019 05:00 franklinkaylieg3873
Mass, in grams, of 0.195 mol sucrose (c12h22o11). express your answer using three significant figures. mm = nothing g request answer part b moles of zn(no3)2 in 131.50 g of this substance. express your answer using four significant figures. nn = nothing mol request answer part c number of molecules in 8Γ10β6 mol ch3ch2oh. express your answer using four significant figures. nn = nothing molecules request answer part d number of n atoms in 0.650 mol nh3. express your answer using three significant figures. nn = nothing atoms
Answers: 1
Chemistry, 21.06.2019 12:50
What is the specific heat of a substance that absorbs 2.5Γ10^3 joules of heat when a sample of 1.0 Γ10^4g of the substance increases in temperature from 10Β°c to 70Β°c?
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Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88Γ10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 22.06.2019 01:00
Water is important for the of cells. a: size, shape, and temperature b: temperature, color, and odor c: color, odor, and size d: shape, temperature, and color
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Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Mass, in grams, of 0.195 mol sucrose (c12h22o11). express your answer using three significant figure...
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