halves by stainless steel machines. 7. Travelling along a conveyor belt‚ workers place the apricots onto hygienically pre- prepared red wood trays‚ facing them upright and removing unwanted products. 8. The apricots are then treated by sulphur dioxide‚ in the sulphur room where they are cured. 9. They are then left in a cool room at 50C overnight. 10. Not until the next day‚ apricots are placed into the dry yards for sun- drying. They are left there for two days
Premium Dried fruit Food preservation Evaporation
does it affect human when we swim in a really high acidic ocean. Acid rain is a mixture of water and gases that have a pH of 5 or lower and it is found in our atmosphere. Acid rain is made out of two main gases nitrogen dioxide which is formed from cars‚ and sulfur dioxide which is made from factories which burn coal. Acid rain or acid deposition has two main forms that are wet deposition or dry deposition: wet deposition is a form of precipitation and dry deposition is in a form of gases or microscopic
Premium Acid rain Oxygen Sulfur dioxide
The causes of acid rain are because of the emissions of sulphur dioxide and nitrogen oxides in the atmosphere. This is a result of pollution; sulphur dioxide primarily the result of industrialisation and coal fired power stations‚ and nitrogen oxides produced mainly due to car exhaust fumes. These either form wet or dry deposition‚ and the effects we can see today. It could be argued that once that the human race has used up all of the planets coal reserves‚ the problem of acid rain would disappear
Premium Acid rain Coal Sulfur
growth of cress seedlings. I will use cress seedlings‚ which germinate quickly and can grow a few centimetres in a matter of days and sodium metabisulphite‚ which reacts slowly with water to produce sulphur dioxide gas. The seedlings will have to be in an enclosed system so the sulphur dioxide does not escape. The experiment is a simulation trying to model a powerstation producing sulphuric acid‚ falling on the seedlings as acid. Research QuestionHow do different concentrations of acid rain affect
Premium Sulfur dioxide Water Acid rain
How carbon dioxide may affect organisms directly and indirectly Carbon dioxide is a molecule that is essential to the survival of nearly all organisms on our planet‚ as in some way or another they rely on carbon dioxide or its products to provide them with respiratory substrates. However‚ as I will elaborate later‚ carbon dioxide also has adverse effects on organisms. Carbon dioxide primarily affects all organisms as it is essential for the process of photosynthesis‚ in which organic compounds
Free Carbon dioxide Photosynthesis Water
Chapter 2 22. A student heats 0.5585 g of iron with 0.3550 g of sulfur. She reports that she obtains 0.8792 g of iron sulfide and recovers 0.0433 g of unreacted sulfur. Show by calculation whether or not her results obey the law of conservation of mass. Total mass initial = 0.5585 g + 0.3550 g = 0.9135 g Total mass final = 0.8792 g + 0.0433 g = 0.9225 g These two values should be equal by the law of conservation of mass. These results do not obey the law of conservation of mass. Possibly she
Premium Water Sulfur Magnesium
Does Human-Produced Carbon Dioxide Contribute to Global Warming? There are always two sides to an issue. This is especially true in Science. Each side will gather facts and statistics to help their argument. They will also fuel the argument with their opinions. Some articles are more persuasive in their reasoning then others. This persuasion can ultimately change a person’s opinion of the issue. The question to be answered is does human-produced carbon dioxide contribute significantly to
Free Carbon dioxide Global warming Climate change
INTRODUCTION From natural gas‚ crude oils‚ and other fossil materials such as coal‚ few intermediates are produced that are not hydrocarbon compounds. The important intermediates discussed here are hydrogen‚ sulfur‚ carbon black‚ and synthesis gas. Synthesis gas consists of a nonhydrocarbon mixture (H2‚CO) obtain- able from more than one source. It is included in this chapter and is fur- ther noted in Chapter 5 in relation to methane as a major feedstock for this mixture. This chapter discusses
Premium Petroleum Hydrogen Sulfur
absorption of the acid is 100 % = 416.667 / 1.0 Then‚ SO3 required = 416.67 Kmoles/Hr Also its assumed that the overall conversion of SO2 to SO3 in the reactor is 99.8% Then SO2 required= 416.67 / 0.998 = 417.51Kmoles/Hr Assuming 100% combustion of Sulfur‚ Then S required = 417.5 Kmoles/Hr = 13360.3 Kgs Amount of oxygen required to convert 1Kmole of S to SO3 = 1.5 Kmoles Then‚ amount of Oxygen required = 417.51 x 1.5 = 626.26 Kmoles As cited in the literature that some amount of excess oxygen
Premium Sulfur Sulfuric acid Sulfur dioxide
paper I will be talking about Acid rain in this atmospheric and the issues behind it. “Acid rain is also called acid precipitation or even acid deposition is precipitation possessing a pH of 5.2 or below primarily produced from the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx; the combination of NO and NO2) from human activities mostly the combustion of fossil Fuels”(Butler and Likens‚ 2012) I will also comparing and contrasting the indoor air pollution tobacco smoke with acid rain. “Tobacco
Premium Acid rain Sulfur dioxide Sulfuric acid