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aluminum is 0.214 calig-?. Determino he number of calones necesar orase hem peau sia ssas sta...
29 to 35 hem. 103 Chapts 3&4 Test , What is the oxidation number of each...
29 to 35
hem. 103 Chapts 3&4 Test , What is the oxidation number of each mom in sodium hydrogen carbonate Na +1,H -1.C=+6,0 b. Na = +1.H=+1. C = -4.0--2 c. Nam +, H -1,C - 0 d. Na --1,H- +1.C-00--2 e. Na - OH-0,C-00-0 30. What base results when K, reacts with water a. H2O'(aq) b. KH(a) co(a) d. KOH(a) e. KO (4) 31. Zn reacts with hydrochloric acid. Zn(s) + 2 HCl(aq) - ZnCl(aq) + Hyg) What...
i Question Hep he dean of a ur ersity esim atestat the mean number of classroom...
i Question Hep he dean of a ur ersity esim atestat the mean number of classroom hours per week faire faculty暷110Aa.member ofthe studert mnal you want to test his dam. Anndom sampieofthe n mber efciassoom hon bro AMme fatty for one wokis shown itetable below Ata·001 oan you re ect the dean's dam? Complete parts (a) through (d) below Assume the population is no alydshhhd 10.5 7.1 13.8 84 4.8 11.3 13.5 Which of the folowing comedty sta Ho and...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron-...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...
please assist with 1-2-3 QUESTION 1 Refer to equation number 1. What is the value of...
please assist with 1-2-3
QUESTION 1 Refer to equation number 1. What is the value of Z? OA. OB.4 OC.1 OD.2 QUESTION 2 Refer to equation number 1. What is the value of A A. +1 OB.-1 oC.O OD.2 QUESTION 3 Refer to equation number 2. What is the value of Z? OAO B., C. 2 D. 4 QUESTION 13 Refer to equation number 7. What is the value of Z? A.4 OB.2 0.2 OD.O QUESTION 14 Refer to equation...
number 3, a-e Complete the calculations below for titration of a saturated solution of aluminum hydroxide...
number 3, a-e
Complete the calculations below for titration of a saturated solution of aluminum hydroxide in water with HCl based on the following data. 3. Al(OH)3(aq) + 3HCI(aq-AICI3(aq) + 3H20(1) Volume of Al(OH)3 solution used: Concentration of diluted HCl solution: Initial Volume of HCl in buret: Final Volume of HCl in buret: 5.00 mL 0.0500 M 2.35 mL 32.86 mL a) Total amount (mol) of HCI added to the saturated Al(OH), solution b) Amount (mol) of Al(OH)3 that reacted...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial 1 Trial 2 1. Mass of metal 50.og 2. Mass of calorimeter 3. Mass of calorimeter and water 124.49 4. Mass of water 120g 5. Initial temperature of water 24°C 23°C 6. Initial temperature of the metal 25°C 75°C 7. Final temperature of the mixture 21.11°C 152.6 g 8. Calculation of the heat energy gained by the water, Q Trial Onc: Trial Two: see...
Question 36 (1 point) If an incidence rate is defined as the number of new cases...
Question 36 (1 point) If an incidence rate is defined as the number of new cases among the population at risk over a specified period of time, in the context of a cohort study, the incidence rate among the exposed refers to: OA) The number of new cases of disease in the population over a specific period of time Yc B) None of the above C) The ratio of the exposed cases to the unexposed non-cases over a specific period...
QUESTION 6 Which of the following has the greatest number of atoms? A. 1.0 mol He...
QUESTION 6 Which of the following has the greatest number of atoms? A. 1.0 mol He B.0.60 mol H2 C.20 g potassium D.8.5 mL H20 (Density of H20 = 1 g/mL) E 22.6 g KMnO4
Kuzey plays a game with a fair die. If die shows an even number, he gains...
Kuzey plays a game with a fair die. If die shows an even number, he gains 187 TL, if the die shows 1 or 3, then he gains 141 TL, and if the die shows 5, then loses 265 TL. What is his expected gain in this game? Select one: O a. 593.00 TL o b. 140.50 TL O c. 10.50 TL o d. 96.33 TL O e. 63.00 TL
A bag contains 4 red and 5 green balls. Let X denotes number of red and...
A bag contains 4 red and 5 green balls. Let X denotes number
of red and Y denotes number of green balls in 2 drawn from the bag
by random. Find joint probability distribution, compute E(x), E(Y)
and correlation coefficient. 2. A diagnostic test has a probability
0.95 of giving a positive result when applied to a person suffering
from a certain disease, and a probability0.10 of giving a (false)
positive when applied to a non-sufferer. It is estimated that...
29 to 35
hem. 103 Chapts 3&4 Test , What is the oxidation number of each mom in sodium hydrogen carbonate Na +1,H -1.C=+6,0 b. Na = +1.H=+1. C = -4.0--2 c. Nam +, H -1,C - 0 d. Na --1,H- +1.C-00--2 e. Na - OH-0,C-00-0 30. What base results when K, reacts with water a. H2O'(aq) b. KH(a) co(a) d. KOH(a) e. KO (4) 31. Zn reacts with hydrochloric acid. Zn(s) + 2 HCl(aq) - ZnCl(aq) + Hyg) What...
i Question Hep he dean of a ur ersity esim atestat the mean number of classroom hours per week faire faculty暷110Aa.member ofthe studert mnal you want to test his dam. Anndom sampieofthe n mber efciassoom hon bro AMme fatty for one wokis shown itetable below Ata·001 oan you re ect the dean's dam? Complete parts (a) through (d) below Assume the population is no alydshhhd 10.5 7.1 13.8 84 4.8 11.3 13.5 Which of the folowing comedty sta Ho and...
Hydrogen 1H 2- Atomic number He Helium - He Mass number First shell Element symbol- Electron- distribution diagram Lithium Beryllium Carbon Boron 3B Oxygen Nitrogen en N Fluorine انار Neon Be 10 Ne Second shell Sodium 11 Na Aluminum AI Sulfur Magnesium 12Mg Chlorine Phosphorus Silicon 1 Si Argon Ar Third shell According to the section of the Periodic Table of Elements above, which element is most likely to have similar chemical properties to carbon Selected Answer: C. Phosphorus Answers:...
please assist with 1-2-3
QUESTION 1 Refer to equation number 1. What is the value of Z? OA. OB.4 OC.1 OD.2 QUESTION 2 Refer to equation number 1. What is the value of A A. +1 OB.-1 oC.O OD.2 QUESTION 3 Refer to equation number 2. What is the value of Z? OAO B., C. 2 D. 4 QUESTION 13 Refer to equation number 7. What is the value of Z? A.4 OB.2 0.2 OD.O QUESTION 14 Refer to equation...
number 3, a-e
Complete the calculations below for titration of a saturated solution of aluminum hydroxide in water with HCl based on the following data. 3. Al(OH)3(aq) + 3HCI(aq-AICI3(aq) + 3H20(1) Volume of Al(OH)3 solution used: Concentration of diluted HCl solution: Initial Volume of HCl in buret: Final Volume of HCl in buret: 5.00 mL 0.0500 M 2.35 mL 32.86 mL a) Total amount (mol) of HCI added to the saturated Al(OH), solution b) Amount (mol) of Al(OH)3 that reacted...
86.bg PART TWO: DATA AND RESULTS Metal: Aluminum (Cal = 0.217 cal/qE)-specific granity Data Item Trial 1 Trial 2 1. Mass of metal 50.og 2. Mass of calorimeter 3. Mass of calorimeter and water 124.49 4. Mass of water 120g 5. Initial temperature of water 24°C 23°C 6. Initial temperature of the metal 25°C 75°C 7. Final temperature of the mixture 21.11°C 152.6 g 8. Calculation of the heat energy gained by the water, Q Trial Onc: Trial Two: see...
Question 36 (1 point) If an incidence rate is defined as the number of new cases among the population at risk over a specified period of time, in the context of a cohort study, the incidence rate among the exposed refers to: OA) The number of new cases of disease in the population over a specific period of time Yc B) None of the above C) The ratio of the exposed cases to the unexposed non-cases over a specific period...
QUESTION 6 Which of the following has the greatest number of atoms? A. 1.0 mol He B.0.60 mol H2 C.20 g potassium D.8.5 mL H20 (Density of H20 = 1 g/mL) E 22.6 g KMnO4
Kuzey plays a game with a fair die. If die shows an even number, he gains 187 TL, if the die shows 1 or 3, then he gains 141 TL, and if the die shows 5, then loses 265 TL. What is his expected gain in this game? Select one: O a. 593.00 TL o b. 140.50 TL O c. 10.50 TL o d. 96.33 TL O e. 63.00 TL
A bag contains 4 red and 5 green balls. Let X denotes number
of red and Y denotes number of green balls in 2 drawn from the bag
by random. Find joint probability distribution, compute E(x), E(Y)
and correlation coefficient. 2. A diagnostic test has a probability
0.95 of giving a positive result when applied to a person suffering
from a certain disease, and a probability0.10 of giving a (false)
positive when applied to a non-sufferer. It is estimated that...
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