S. 5.2 – The Mole The mole: - - - - Ex. - Molar mass (g/mol): - - - Ex. |Element |Atomic mass shown on Periodic |Molar mass of element | | |table | | |N |14.0067 |14.0067 g
Premium Mole Avogadro constant Amount of substance
provided through the case study of Wicken Fen. The next part of our learning journey starts with carbon and the capture of energy from light by plants. Plants are at the base of the food chain for all the animals in an ecosystem. The familiar woodland is an ideal place to begin to understand ecosystems in more depth. Summary of Week 1 A look back at the week‚ in which Dr David Robinson‚ Senior Lecturer in Biological Science at The Open University‚ discusses what you have learned so
Premium Ecology Organism Life
as coaxial‚ CAT5e‚ CAT6‚ UTP (Unshielded Twisted Pair)‚ and STP (Shielded Twisted Pair) to just name a few. Coaxial has been in use for the longest period of time and one of the first types used in networking. CAT5e is the most common used today in networking with the bandwidth it supports and is available in UTP or STP. CAT6 can support any application that “lower” cables can and also has a higher bandwidth and is available in UTP and STP as well. UTP is unshielded twisted pair‚ which means that the
Premium Twisted pair Cable Coaxial cable
Case study prepared on Sewage Treatment Plant at Tapovan. Location of Plant:-Sewage Treatment Plant at Tapovan‚ Panchavati‚ Nasik – 422 003. Introduction :- Domestic Sewage Water is collected from different parts of city. It explains as follows – 1] Takli.SPS-20 MLD. 2] Old Ganeshwadi SPS-25 MLD. 3] New Ganeshwadi SPS-45 MLD. 4] Kapila SPS-7.5 MLD. In an average‚ about 75 MLD sewage water is collected. The quantity and quality of sewage water is varies with respect to day. Also the quality of sewage
Premium Sewage treatment Anaerobic digestion Electricity generation
SIGNALING SYSTEM 7 The hardware and software functions of the SS7 protocol are divided into functional abstractions called “levels”. These levels map loosely to the Open Systems Interconnect (OSI) 7 layer model defined by the international standards organisation . • Messsage transfer part • Isdn user part • Telephone user part • Signaling connection control part • Transaction capabilities applications part SS7 Protocol Stack The hardware and software functions of the SS7 protocol are divided into
Premium OSI model
needs only be high enough for the receiver to detect it. Making the voltage higher would make the receiver electronics more difficult. 4.1.3 Hospitals‚ security systems‚ PA & recording studios. The drawback of STP cables is that they will increase the total cost of an installation. STP cables are more expensive due to the shielding‚ which is an additional material that goes into every meter of the cable. The shielding also makes the cable heavier and stiffer. Thus‚ it is more difficult to handle
Premium Ethernet Twisted pair Coaxial cable
Some metals react with acids while others do not. In this experiment‚ students will perform 2 reactions: aluminum/zinc with excess 6M hydrochloric acid and aluminum-zinc alloy with excess 6M hydrochloric acid. The purpose of this experiment is to determine the atomic mass of each metal and the percent composition of a known mass aluminum-zinc alloy by determining the moles of H2 gas formed. Zn(s) + 2HCl(aq) → ZnCl2(aq) + H2(g) 1 mole of H2(g) is produced for every 1 mole of Zn(s) 2. 2Al(s)
Premium Chemistry Hydrogen Chemical reaction
Market Analysis on Detergents The Detergent Market is one of the segments of the FMCG market in India that has high growth potential. The detergent based segment is divided into two broad categories - oil-based laundry soaps and synthetic detergents‚ including bars‚ powder‚ and liquids. The detergent market is mainly concentrated in the urban areas but the level of penetration in the rural for the past few years has been good. Market segmentation Detergent
Premium Laundry detergent Laundry
Period:3 AP Chem Lab Report: Determination of the Molar Volume of a Gas Objective: To react Mg and HCL and form hydrogen gas‚ then after collecting lab data‚ determine the hydrogen gas’s molar volume at STP through calculation. Materials: -LabQuest data collector - 3.0 M of HCl solution - Ribbon of Mg metal - Gas pressure sensor - Temperature probe
Free Pressure Ideal gas law Gas
molecular weight of CaBr2 is 200.618 g/mol) 105 g Nitrous oxide (N2O)‚ or laughing gas‚ is commonly used as an anesthetic in dentistry and surgery. How many moles are present in 8.4 liters of nitrous oxide at STP? 0.375 moles How many moles of gas molecules will be present in 5000 L of air at STP? 223.2 mol How many molecules are in 1 mol of sucrose (C12H22O11)? | |6.02 × 1023 molecules | | |What is the empirical formula of a compound that contains 3.609 g calcium
Free Oxygen Oxide Molecule