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Zinc metal can be getting from zinc oxide by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2. Explain what mass of zinc oxide is needed to react completely with 5.31 mol of carbon?
how many grams of coniine would he have needed to ingest to give a 50% chance of causing his death? If Coniine is about 3.2% by weight of the hemlock leaves, how many grams of hemlock would need to be used to make the tea?
Draw the abbreviated structural formula of the products of the complete hydrolysis of lidocain
Identify the oxidizing agent and the reducing agent for rm Ba(s) + Cl_2(g) to BaCl_2(s)?
calculate the number of vacancies per cubic meter in some metal at 759degc. the energy for vacancy formation is 0.82
Identify which sets of quantum numbers are valid for an electron. Each set is ordered (n,\ell,m_\ell,m_s).
How many atoms of 90Sr are in a 220.0 mL glass of milk with 1.25 Bq/L of 90Sr radioactivity? (The half life for the beta decay of strontium
In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.
the temperature inside a pressure cooker is 111°C. Calculate the vapor pressure of water inside the pressure cooker.
celcius have enough energy to overcome the activation energy barrier for a particular reaction, what is the activation energy for this reaction
The lethal inhalation dose of sarin for a 200lb person has been determined to be 0.0015 mg. Determine the LD50 of sarin that researchers used to calculate this lethal inhalation dose.
A solution of I2 was standardized with ascorbic acid. Using .1000 g sample of pure ascorbic acid, 23.25 ml of I2 were required to reach the starch end point.
in comparative anatomy we study the anatomy and physiology of the human body and we often compare ournbspanatomy of
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