moles of Iron were used 2. According to the law of conservation of mass‚ what is the mass of oxygen that reacts with the iron? 118.37g – 85.65g = 32.72 grams of Oxygen reacted with Iron 3. Calculate the number of moles of oxygen in the product. 32.72g/15.99g = 2.045 moles is the amount of moles of Oxygen produced 4. Use the ratio between the number of moles of iron and the number of moles of oxygen to calculate the empirical formula of iron oxide. Fe3O2 Procedure: Set up a Bunsen burner
Premium Oxygen Combustion Mole
chemical substance appears. In this experiment we will be measuring the rate of decomposition of hydrogen dioxide with the following reaction: 2 H202 (aq) 4 2 H20 (l) + 02 (g) We can trap the oxygen gas created into a container thus showing the extent of the reaction and this will show the rate in which oxygen is created and how the rate will change when we use different initial concentrations. We do use a catalyst in this reaction to speed up the process and lower the activation energy needed to run
Premium Chemical reaction Oxygen Chemistry
each globin is a ‘haem’ unit. The haem is a ring structure with iron in the center. It is the iron that binds the oxygen in a weak interaction that can easily broken. A RBC (red blood cell) is packed with haemoglobin molecules. The cell has no nucleus‚ so more haemoglobin molecules can be included. 2 Function of haemoglobin in Transporting Oxygen: * transport of O2 * transport of some CO2 from body cells to the lungs * conversion of CO2 to HCO3- by the action
Premium Oxygen Carbon dioxide Red blood cell
------------------------------------------------- ------------------------------------------------- ------------------------------------------------- PHYSICAL STUDY NO.2 ------------------------------------------------- ------------------------------------------------- OXYGEN BOMB CALORIMETER & ORSAT APPARATUS ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- -------------------------------------------------
Premium Combustion Oxygen Enthalpy
2) At high altitude The effects of high altitude on humans are considerable. The percentage saturation of hemoglobin with oxygen determines the content of oxygen in our blood. After the human body reaches around 2‚100 m (7‚000 feet) above sea level‚ the saturation of oxyhaemoglobin begins to plummet. However‚ the human body has both short-term and long-term adaptations to altitude. Athletes use these adaptations to help their performance. There is a limit to the level of adaptation; mountaineers
Premium Red blood cell Blood Hemoglobin
Marcelo Duka G-7L BIO 2 RESPIRATORY SYSTEM The Respiratory system consists of organs and tissues that aid the oxygen to travel in the body and emits the waste gases out of the body. It is also called as the oxygen delivery system for it is the system responsible in delivering the oxygen to all parts of the body. The process of breathing‚ the inhalation of oxygen and exhalation of carbon dioxide‚ is called respiration. Respiration can be described into two processes: internal or cellular
Premium Respiratory system Oxygen
THE 4 QUALITIES OF GOOD WATER by Dr. Robert O. Young There are many measurements of water‚ but the most important for determining the best water to drink are‚ the pH‚ oxidative reduction potential—or energy potential/activity—molecular structure‚ and purity. Science has helped us to determine that the best measurements for our drinking water are the pH and purity‚ but little understood is the importance of the molecular structure of water. Assuming that most waters that humans are drinking
Premium Water Oxygen Hydrogen
of pure and excess nitric acid‚ it can decompose to nitrogen dioxide and chlorine: elevated temperature 658 NITROSYL CHLORIDE 2ClNO + HNO3 → 6NO2 + Cl2 +2H2O Also‚ nitrosyl chloride can be synthesized from its elements by heating nitrogen‚ oxygen and chlorine gas at 400°C: N2 + O2 + Cl2 → 2ClNO Faraday obtained nitrosyl chloride by dissolving palladium in a mixture of hydrochloric and nitric acids (Faraday‚ M. Trans. Roy. Soc. (London)‚ Vol. 136‚ pp. 48‚ 1846): Pd + HNO3 + 3HCl → PdCl2 + ClNO
Premium Oxygen
and 4‚ I believe the algae accumulation in the lake is the cause of the dead fish. It could be because the algae are using up vital oxygen sources that the fish need to survive. Table A on page 3 shows the amount of dead fish increase as the number of algae cells increase. This shows that the algae and fish are competing for oxygen‚ and the fish are losing. Also‚ oxygen levels in the lake slowly decreased over a 3 day period‚ as shown by Table B on page 3. This possible algae-fish competition might
Premium Water Algae Oxygen
is important for life because the fresh air from the chlorophyll is doing photosynthesis. Plants also make food and oxygen. Then plants is doing photosynthesis‚ it must have sunlight to make their own food and oxygen. The equation about photosynthesis basically is CO2 + H2O C6H12O6 + O2 ( means need the chlorophyll and sunlight). Photosynthesis can make their own food and also oxygen for Earth as well‚ so photosynthesis is absolutely important for life. Inside the plant‚ it has a power house called
Premium Oxygen Photosynthesis Carbon dioxide