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- Question 17 of 26 What is the heat needed to heat 150 g of water from 10.0°C to 100°C, (specific heat of water = 4186 J/kg-°C)? Select the correct response: 68.2 56.5 44.6 75.1 37.2 ㅋConcentration of hydrochloric acid (M) 2.11 Concentration of sodium hydroxide (M) 2.05 Calorimeter constant (J"C) 13.4 Volume of hydrochloric acid (ml) 95.5 Temperature of hydrochloric acid ("C) 240 Volume of sodium hydroxide (ml) 91.0 Temperature of sodium hydroxide ("C) 240 Final temperature after mixing ("C) 37.9 Mass of mixed solution (g) Moles of H (mol) Moles of OH (mol) Limiting Reactant AHeutralietien (KJ/mol)How many calories are required to raise the temperature of a 73.0 g sample of gold from 26.0 °C to 51.7 °C? Specific heat of gold is 0.0308 cal/g °C. Your Answer: Answer units 18 Group 8A Group 1A 15 16 17 13 Group Group Group Group Group He 3A 14 1. H Group 2A 4A 5A 6A 7A 4.003 1.008 3. Li 5. 7. 9. 10 C Ne Be Transition elements 20.18 18 Ar 10.81 12.01 14.01 16.00 19.00 6.941 9.012 13 15 16 17 14 11 12 7 7B 8. 6. 10 11 12 Si Cl Na Mg 3. 4. 5. 6. Al 3 -8B 1B 2B 35.45 35 Br 39.95 36 Kr 3B 4B 5B 6B 28.09 32 30.97 33 32.07 34 26.98 22.99 24.31 19 20 24 25 26 27 28 29 30 31 21 22 23 K. Са Sc Ti Cr Mn Fe Co Ni Cu Zn Ga Ge As Se 4 79.90 83.80 69.72 7264 50 78.96 52 74.92 58.69 46 65.41 48 63.55 58.93 45 54 Xe 54.94 55.85 44 52.00 42 Nb Mo 39.10 40.08 44.96 47.87 50.94 47 49 51 53 40 41 38 Sr 37 39 Zr Tc 43 Ru Rh Pd Ag Cd In Sn Sb Te Rb Y. 118.7 82 Pb 121.8 83 Bi 127.6 84 126.9 85 At 131.3 86 Rn 101.1 76 Os 102.9 77 106.4 78 107.9 79 1124 80 114.8 81 TI 92.91 (99) 75 Re 186 2 85.47 87.62…
- Only typed answer otherwise leave it 82 grams of ethanol are mixed with 327 grams of carbon tetrachloride (CCl4). Initially, the temperature of CCl4 is 86ºC, and after mixing, the final temperature of the mixed solution is 58ºC. Calculate the initial temperature of the ethanol in Celsius.9.16 According to Figure 9.2, the total energy supply in the United States in 2016 was 111.261015 Btu. Express this value in joules and in calories. FIGURE 9.2 Energy production and consumption (in quadrillion Btu) in the United States during the year 2016. The discussion in the text explains how to read this complex figure, which contains an enormous amount of information about the energy economy. Data come from the Department of Energy and do not always add up exactly as expected due to rounding and other issues.A 45-g aluminum spoon (specific heat 0.88 J/g C) at 24 C is placed in 180 mL (180 g) of coffee at 85 C and the temperature of the two become equal. (a) What is the final temperature when the two become equal? Assume that coffee has the same specific heat as water. (b) The first time a student solved this problem she got an answer of 88 C. Explain why this is clearly an incorrect answer.
- How much heat is required to raise the temperature of 16.1 g of water from -25 °C to 175 °C? heat: 3.20565966 Incorrect kealGiven the specific heat of some metals and water:- Tin Water(1) z Substance Aluminum Lead Silver Zinc Specific Heat (J/g • °C) 0.899 0.129 0.234 0.222 4.184 0.385 Which of the the following metals will have the lowest temperature when 5 g of the metal at 20 °C in immersed in 50 g of water at 80 °C? Silver Lead Zinc Aluminum Tinokmarks Window Help A avc.instructure.com Question 4 1 Calculate the amount of heat required in kJ to raise the temperature of 250.0g of hot chocolate from 25.0°C to 80.0°C. Hot chocolate has the same specific heat of water [4.18 J/ g°C] Question 5 1 р What is the specific heat of of titanium in J/g°C) if it takes 89.7 J to raise the temperature of a 33.0g ০
- How much heat is required to raise the temperature of 22.6 g of water from -15 °C to 145 °C? heat: kcalConvert 475 cal to joules STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 4184 4.75 x 10° 1990 114 475 1000 1.99 x 10 0.001 4.184 kcal J kJ calSTARTING AMOUNT X The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour ? ADD FACTOR days x() 4184 4.184 kJ/hr 20.0 2.01 x 106 kcal 60 S J 24 1000 KJ ANSWER 1.15 x 105 hr 349 2.00 x 10³ cal 0.001 RESET 5 min 1 kcal/day