reaction conducted in this lab‚ including appropriate phase symbols. Mg(s) + 2HCl(aq) --> H2(g) + MgCl2(aq) 2. Determine the partial pressure of the hydrogen gas collected in the gas collection tube. The partial pressure of the hydrogen gas is 1.07 atm 3. Calculate the moles of hydrogen gas collected. pv=mrt ; n= .0013mol of hydrogen gas 4. If magnesium was the limiting reactant in this lab‚ calculate the theoretical yield of the gaseous product. Show all steps of your calculation. 0.03184 g
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Analysts expect gas prices to decrease or remain mostly flat not only in 2014‚ but for years to come. Nonetheless‚ drivers in some states will see higher prices at the pump‚ starting January 1. Gas prices may not have seemed all that cheap in 2013. But in fact‚ prices for the year as a whole were less expensive than they have been. According toAAA’s year-end report‚ American drivers paid $3.49 per gallon of regular‚ on average for 2013. That’s the cheapest per-gallon average since 2010; the national
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mobile crushing station In recent years‚ the general downturn in the international market economy‚ China’s economic growth has taken in order to promote the policy of stimulating domestic demand and started paying off‚ and foreign giant crusher enterprises have settled in China‚ you want a piece of‚ seeing the formation of a fierce competition in the market situation. Crusher average technical level of developed countries over backward‚ especially in large crusher technology development
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Review the behavior of the gas phase vs. the liquid phase. Solution: a) The volume of the liquid remains constant‚ but the volume of the gas increases to the volume of the larger container. b) The volume of the container holding the gas sample increases when heated‚ but the volume of the container holding the liquid sample remains essentially constant when heated. c) The volume of the liquid remains essentially constant‚ but the volume of the gas is reduced. The particles in a gas are further apart than
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Complete ALL problems under each heading in your packer. SHOW ALL WORK AND LABELS! Bolye’s Law Problems Example: If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L‚ what will the new pressure inside the piston be? • Read the problem and determine what is given and what is unknown? • Decide which law to use. • Substitute the values (given numbers) from the problem into the equation Given: P1 = 1.5 atm Unknown
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America is expected to remain a key driving factor for the market. In addition‚ growth from global textiles industry is also expected to support the ethylene glycol market development over the forecast period. Volatile prices and tight supply of raw materials‚ on account of frequent fluctuations in crude oil prices is expected to inhibit the market growth over the next six years. Monoethylene glycol (MEG) emerged as the leading product segment and accounted for 89.9% of total market volume in 2013
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Shale gas is natural gas formed from being trapped within shale formations. Shale gas has become an increasingly important source of natural gas in the United States over the past decade‚ and interest has spread to potential gas shale’s in the rest of the world. In 2000 shale gas provided only 1% of U.S. natural gas production; due to rising oil prices gas prices have also been affected by the rise therefore there was big demand for gas in the US which in 2010 it was over 20% and the U.S. government’s
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Gas Laws Name Institution The 3 Gas Laws Introduction The three gas laws include: Gay-Lussac’s law‚ Boyle’s law and Charles’ law. When combined with Avogadro’s law the three laws can be generalized by the ideal gas law. Gases possess observable properties which include‚ mass‚ pressure (P)‚ thermodynamic temperature (T) and volume (V). These properties are related to each other and the state of a gas is determined by their values. The three laws are derived from these properties. Discussion
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Mains gas is most likely to be piped natural gas. The most serious risk to human health is via a leak‚ however small‚ in the piping system that transports the gas inside the building. Natural gas is a mixture of hydrocarbons‚ including methane. It is colourless and odourless‚ which makes a leak difficult to notice. Exposure to high levels of natural gas quickly causes unconsciousness and even death. Exposure to low levels can cause dizziness‚ nausea or heart palpitations. It has this affect because
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Gas Exchange The process of gas exchange in the body is called respiration. This process has three basic steps that involve pulmonary ventilation‚ external respiration‚ and internal respiration. All three steps are functions that involve gas exchanges between the lungs and the atmosphere. For instance‚ pulmonary ventilation‚ or breathing involves the inhalation and exhalation of air between our lungs and the atmosphere. External respiration is the exchange of gases across the respiratory membrane
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