What would the answer to the following conversion problem be?
96 ft x
1 yd
3 ft...
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Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88Ă10^21 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?
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Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eââ˝âââcu(s)pb2+(aq)+2eââ˝âââpb(s)fe3+(aq)+3eââ˝âââfe(=6.2Ă108=4.0Ă10â5=9.3Ă10â3 cu + ( aq ) + e â â˝ â â â cu ( s ) k =6.2Ă 10 8 pb 2 + ( aq ) +2 e â â˝ â â â pb ( s ) k =4.0Ă 10 â 5 fe 3 + ( aq ) +3 e â â˝ â â â fe ( s ) k =9.3Ă 10 â 3 arrange these ions from strongest to weakest oxidizing agent.
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Chemistry, 22.06.2019 22:00
For a family dinner, joseâs mom baked a loaf of bread. during the meal, his grandmother commented, âthis bread is so dense! â what do you think his grandmother meant by the word dense? you have some ideas regarding density already, but this experiment will enrich your understanding of the relationship between mass, volume and the density of objects. when making measurements in this experiment we will be using si units, the international system of units. the purpose of using si units is to have the ability to communicate and compare data results with other experiments without having to make conversions. measurement symbol si unit length m meter mass kg kilogram volume l liters density kg/l kilograms per liter any calculations that are performed during this experiment will ultimately be reported in scientific notation. recall that scientific notation is extremely important when we have data that is extremely small or large. scientists rely on a standard form of communication to quickly make hypotheses and judgements based on data. what is the density of block a? a0kg/l what is the density of block b? a1kg/l what is the density of block c? a2kg/l what is the density of block d? a3kg/l what is the density of block e? a4kg/l which block is the densest? a5
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Chemistry, 22.06.2019 23:00
Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse
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