Homework Answers
Mafic
The dark color of the rock is due to the presence of Mafic minerals such as Olivine, Biotite, Pyroxenes, Amphiboles, etc.
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Question 11 1 pts Given the color of these silicate minerals, what is their composition? mafic...
Bowen's Reaction Series Composition (2) Temperature (1) Minerals (7) (3) Tenperature (5) plagioclase (Ca-rich) ругохепe (4)...
Bowen's Reaction Series Composition (2) Temperature (1) Minerals (7) (3) Tenperature (5) plagioclase (Ca-rich) ругохепe (4) mafic biotite (6) (8) Temperature (Na-rich) felsic (9) i) Complete the diagram above by filling in the correct terms for numbers 1-6 ii) How will the SiO2 content of the melt change as crystallization occurs? Briefly explain why SiO, will change. (Hint: what is going into the minerals and what stays in the melt during cooling?
Bowen's Reaction Series Composition (2) Temperature (1) Minerals...
What properties cause some magmas to be more felsic thanothers?Different minerals crystallize at different...
What properties cause some magmas to be more felsic than others?Different minerals crystallize at different temperatures, changing the chemistry.Some parts of the mantle are felsic and some are mafic, creating felsic magma in the crust.Water from subducting ocean plate mixes with the magma to create felsic magmaAnimals change the chemistry of the magma, making it more felsic.Silica content in igneous rocks controls (select the correct term)["texture", "viscosity", "crystal size"] which, in turn, controls ["eruption style", "crystal size"] ...
2) Chemical analyses of silicate minerals are given as weight percent oxides, to ensure that charges...
2) Chemical analyses of silicate minerals are given as weight percent oxides, to ensure that charges of cations and anions are balanced. It’s important to be able to interconvert mineral chemical formula and chemical analyses (see Klein pp. 99-104). Analysis of an olivine yields (all as weight percent): 36.63% SiO2, 30.96% MgO, 32.41% FeO; express this composition in terms of mole % forsterite (i.e., Fox, find x). You will need to calculate the formula weights of FeO and MgO. Please...
Question 11 [1.6 pts] What is the composition (as % alpha anomer) of the equilibrium depicted...
Question 11 [1.6 pts] What is the composition (as % alpha anomer) of the equilibrium depicted in Figure #1 given that its specific rotation is +600°? Figure #1 Sugar S alpha anomer Sugar S Sugar S beta anomer specific rotation is +3000 Open-chain form specific rotation is +900°
What viscosity must the base of a stratovolcanoes lava be, when it has broad, non-steep sides?...
What viscosity must the base of a stratovolcanoes lava be, when it has broad, non-steep sides? Question 7 Not yet answered Points out of 5.0 Select one: O a. Low viscosity O b. High viscosity P Flag question What composition of magma is involved in the construction most often of the highest parts of a stratovolcano? Choose the best answer(s): Question 8 Not yet answered Points out of 5.0 Select one: O a. Mafic O b. Intermediate P Flag question...
Question 2 1 pts Partial melting can generate magmas more felsic that the solid from which...
Question 2 1 pts Partial melting can generate magmas more felsic that the solid from which they formed because minerals with more iron have a lower melting point minerals with more silica have a lower melting point and will melt first minerals with more silica have a higher melting point minerals with the most calcium have the lowest crystallization temperatures
Weight Percents of Minerals Instructions: #1-#5 : determine the chemical formula from the weight percents given....
Weight Percents of Minerals Instructions: #1-#5 : determine the chemical formula from the weight percents given. #1 Given: ( K20 16.9% 949 Ha> 1497 = 0.179 - otok = 1 94 to AlzO3 18.4% lo2y = 16.2% = 0.18 * 995 - 1 KAIS: 308 ( 502 04.1% 60g 64.7 = 1.07 au 1.07 = 6 .134 #2 Given: (hint: this is a silicate mineral) Ben 14.0% 25+ 2/14 |.11 = |18+ .9 Al2O3 19.0% 102 103/19 - 5.39 -...
D | Question 3 0.25 pts What will be the color of the agar if Staphyłococcus...
D | Question 3 0.25 pts What will be the color of the agar if Staphyłococcus epidermidis grows on MSA plate? O Red O White D Question 4 0.25 pts If 1 gm of food sample was added into 99 ml of diluent, then what will be the dilution factor for the food sample? 0 10 dilution 102 dilution 10 dilution 10t dilution 0.25 pts D Question 5
Question 3 1 pts The color of chickens is determined by gene B, such that BB=black,...
Question 3 1 pts The color of chickens is determined by gene B, such that BB=black, Bb = gray, and bb = white. A second gene R controls comb shape, with dominant rose and recessive single comb. If a white single-combed chicken is mated with a gray chicken that is heterozygous for rose comb, what fraction of the offspring will be gray with rose comb? 1/4 9/16 1/8 O 3/8 1/16
Asap please orrect Question 16 0/2 pts All of the following are trace minerals EXCEPT O...
Asap please
orrect Question 16 0/2 pts All of the following are trace minerals EXCEPT O Manganese O Molybdenum O Selenium O Sulfate
Bowen's Reaction Series Composition (2) Temperature (1) Minerals (7) (3) Tenperature (5) plagioclase (Ca-rich) ругохепe (4) mafic biotite (6) (8) Temperature (Na-rich) felsic (9) i) Complete the diagram above by filling in the correct terms for numbers 1-6 ii) How will the SiO2 content of the melt change as crystallization occurs? Briefly explain why SiO, will change. (Hint: what is going into the minerals and what stays in the melt during cooling?
Bowen's Reaction Series Composition (2) Temperature (1) Minerals...
Question 11 [1.6 pts] What is the composition (as % alpha anomer) of the equilibrium depicted in Figure #1 given that its specific rotation is +600°? Figure #1 Sugar S alpha anomer Sugar S Sugar S beta anomer specific rotation is +3000 Open-chain form specific rotation is +900°
What viscosity must the base of a stratovolcanoes lava be, when it has broad, non-steep sides? Question 7 Not yet answered Points out of 5.0 Select one: O a. Low viscosity O b. High viscosity P Flag question What composition of magma is involved in the construction most often of the highest parts of a stratovolcano? Choose the best answer(s): Question 8 Not yet answered Points out of 5.0 Select one: O a. Mafic O b. Intermediate P Flag question...
Question 2 1 pts Partial melting can generate magmas more felsic that the solid from which they formed because minerals with more iron have a lower melting point minerals with more silica have a lower melting point and will melt first minerals with more silica have a higher melting point minerals with the most calcium have the lowest crystallization temperatures
Weight Percents of Minerals Instructions: #1-#5 : determine the chemical formula from the weight percents given. #1 Given: ( K20 16.9% 949 Ha> 1497 = 0.179 - otok = 1 94 to AlzO3 18.4% lo2y = 16.2% = 0.18 * 995 - 1 KAIS: 308 ( 502 04.1% 60g 64.7 = 1.07 au 1.07 = 6 .134 #2 Given: (hint: this is a silicate mineral) Ben 14.0% 25+ 2/14 |.11 = |18+ .9 Al2O3 19.0% 102 103/19 - 5.39 -...
D | Question 3 0.25 pts What will be the color of the agar if Staphyłococcus epidermidis grows on MSA plate? O Red O White D Question 4 0.25 pts If 1 gm of food sample was added into 99 ml of diluent, then what will be the dilution factor for the food sample? 0 10 dilution 102 dilution 10 dilution 10t dilution 0.25 pts D Question 5
Question 3 1 pts The color of chickens is determined by gene B, such that BB=black, Bb = gray, and bb = white. A second gene R controls comb shape, with dominant rose and recessive single comb. If a white single-combed chicken is mated with a gray chicken that is heterozygous for rose comb, what fraction of the offspring will be gray with rose comb? 1/4 9/16 1/8 O 3/8 1/16
Asap please
orrect Question 16 0/2 pts All of the following are trace minerals EXCEPT O Manganese O Molybdenum O Selenium O Sulfate
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