LIFE SCIENCES/GRADE 10MDE/AUGUST 2024FETSECTION BQUESTION 22.1 The diagram below shows part of the nitrogen cycle and the water cycle.BA2.1.1 Identify the process at A where nitrogen in the atmosphere is converted into a usableform for plants.2.1.2 in which form is nitrogen absorbed by plants out of the ground at B?(1)(1)2.1.3 Which part of the water cycle is represented by C.(1)2.1.4 Runoff water from the farm into the river at D can cause excess nutrients / fertilizers toflow into the water. What is this phenomenon called?(1)2.1.5 Explain how the process mentioned in QUESTION 2.1.4 above might cause organismsto die in the river.࿉C(3)(7)COPY RIGHT RESERVEDPLEASE TURN OVER

2.1.1The process at A is nitrogen fixation. This is the conversion of atmospheric nitrogen gas (N2)…

Answered: LIFE SCIENCES/GRADE 10 MDE/AUGUST 2024…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Eneble Editing Activate 2.2 Which substance(s) is/are liquid(s) at 400 C? 2.3 Which substance does not have a liquid phase? 2 Study the following list of melting and boiling points of various substances: (5) 2.4 What is the process called when a solid tums directly into a gas? Substance Melting point ("C) Boiling point () Neon (Ne) -249 -246 Oxygen (02) -219 -183 2.5 In which state would sulphur exist at a temperature of 25 °C? Carbon dioxide (CO2) -57 -57 Butane (CaH10o) -138 Hydrogen fluoride (HF) -83 20 Sulphur (S) 114 440 Which of the substance(s) is/are gas(es) at room temperature (25%C)? nere to search MECED
(LO 7.1.1, 7.1.2, 7.2.1, 7.2.2) A small home might use about 6.50 moles of methane, CH4, per day in moderately cold weather for heating. How many moles of water will be produced when combusting 6.50 moles of methane? CH4 + CO₂ + 2.17 3.25 4.33 6.5 9.75 13.0 19.5 0₂ → 111- H₂O (unbalanced)
ACTIVITY 3.4.3. Solved me! 2. Calculate the AH for the reaction: CS2 (1) + 2 02 (g) CO2 (g) + 2 S02 (g) Given: AHfCO2 (g) = - 393.5 kJ/mol; AHFS02 = -296.8 kJ/mol; AHfCS2 (1) = 87.9kJ/mol
15.3.2 Modern cars are fitted with catalytic converters to convert the harmful nitrogen monoxide back to harmless nitrogen and oxygen according to the following chemical reaction: 2NO(g) N2(g) + O2(g) What type of reaction is the above, erdothermic or exothermic?
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This is possible because of the following reactions that take place rapidly as long as reactants are available: (11.3) Equation : 51-(aq) + IO-3(aq) + 6H+(aq) ----> 3I2(aq) +3H2O(I)
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5.5.1 Given the following information: AH = -483.6 kJ/mol AH = +284.6 kJ/mol 2H2(g) + O2(g) 2H,O(g) 30:(g) 20;(g) %3! what is AH for 3H2(g) + O3(g) 3H;0(g)? a) -199 kJ/mol d) +768.2 kJ/mol b) -1010 kJ/mol e) -440.8 kJ/mol c) -867.7 kJ/mol
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