Homework Answers
Part B
Heat change needed to freeze 263 gm of water = 263 × 334 =87842 joules
Part C
Heat change needed to melt 129 gm ammonia = 129 × 351 = 45279 joules = 45.279 KJ
Part D
Heat change needed to melt 6 kg of ice = 6000 × 334 = 2004000 joules = 2004 Kilojoules
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Express your answer to three significant figures and include the appropriate units. Using table below, calculate...
i need help with all 4 questions Express your answer to three significant figures and include...
i need help with all 4 questions
Express your answer to three significant figures and include the appropriate units. Using table below, calculate the heat change needed for each of the following at the melting/freezing point Table Heats of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH 128 Submit Previous Answers Request Answer Acetic acid CH 0 Ethanol C,H,O 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part Water HO...
15 in Express your answer to two significant figures and include the appropriate units Value Units...
15 in Express your answer to two significant figures and include the appropriate units Value Units Submit Request Answer Part B 70 ft/s Express your answer to two significant figures and include the appropriate units. alue Units Submit An Part 50 mph Express your answer to two significant figures and include the appropriate units. Value Units Submit Part D 21 in Express your answer to two significant figures and Include the appropriate units. Value Units
What is the charge Q1? Express your answer to three significant figures and include the appropriate...
What is the charge Q1? Express your answer to three significant figures and include the appropriate units. Constants Two small nonconducting spheres have a total charge of Q- 1Q 95.0 C, Q1Q2. When placed 22.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. -Value Units Submit X Incorrect; Try Again; 2 attempts remaining Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate units. 2Value...
Express your answer to three significant figures and include the appropriate units HAO? FR. 4.36.102 N...
Express your answer to three significant figures and include the appropriate units HAO? FR. 4.36.102 N Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining Part B Determine the coordinate direction angle of the resultant force Express your answer using three significant figures. O AED vec O o Figure 1 of 1 > Submit Part C Determine the coordinate direction angle of the resultant force Express your answer using three significant figures A vecO ? Submit Request...
Express your answer to three significant figures and include the appropriate units. Enter negative value in...
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Consider the truss shown in (Figure 1) Suppose Uhal. F- 12 N For,- Value Units Submt Part B Determine the force in member CJ and state if this member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative valuc in the case...
Express your answer to three significant figures and include appropriate units The A-36 steel pipe in...
Express your answer to three significant figures and include appropriate units The A-36 steel pipe in (Figure 1) has a 6061-T6 aluminum core. It is subjected to a tensile force of 200 kN. The pipe has an outer diameter of 78 mm and an inner diameter of 68 mm. For A-36 steel Est 200 GPa, and for 6061-T6 aluminum, Eal 68.9 GPa Ơal:1 Value Units SubmitP X Incorrect Try Again; 3 attempts remaining Part B Determine the average normal stress...
Specify the numerical value of I, Express your answer to three significant figures and include the...
Specify the numerical value of I, Express your answer to three significant figures and include the appropriate units. ReviewI Constants The current and voltage at the terminals of the capacitor in the circuit in (Figure 1) are i(t) 2.5e2500f mA, vt)- (40 22e 25t) V, t20 I6.36 mA where t is in seconds. SubmitP XIncorrect; Try Again Part B Specify the numerical value of Vo Express your answer to three significant figures and include the appropriate units. 18.0 V Figure...
Find the value of Vi Express your answer to two significant figures and include the appropriate...
Find the value of Vi Express your answer to two significant figures and include the appropriate units Review 5.2 g of helium gas follows the process 1→2→3 shown in the figure (Figure 1). You may want to review (Page 490) Units Figure 1 of 1> Submit Request Answen 2 P2657°O Isothermal Part B Find the value of Va 2 atm 37°C Express your answer to two significant figures and include the appropriate units Find the value of p2 Express your...
Review Part B H2 Express your answer to two significant figures and include the appropriate units....
Review Part B H2 Express your answer to two significant figures and include the appropriate units. mh,= Value Units Submit Request Answer Part C
Determine the tension in the cable. Express your answer to three significant figures and include the...
Determine the tension in the cable. Express your answer to three significant figures and include the appropriate units. The smooth uniform rod AB is supported by a ball-and-socket joint at A, the wall at B, and cable BC. The rod has a mass of 18 kg (Figure 1) | The | Value | Units Submit P X Incorrect; Try Again; 5 attempts remaining Part B Determine the normal reaction at B Express your answer to three significant figures and include...
i need help with all 4 questions
Express your answer to three significant figures and include the appropriate units. Using table below, calculate the heat change needed for each of the following at the melting/freezing point Table Heats of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH 128 Submit Previous Answers Request Answer Acetic acid CH 0 Ethanol C,H,O 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part Water HO...
15 in Express your answer to two significant figures and include the appropriate units Value Units Submit Request Answer Part B 70 ft/s Express your answer to two significant figures and include the appropriate units. alue Units Submit An Part 50 mph Express your answer to two significant figures and include the appropriate units. Value Units Submit Part D 21 in Express your answer to two significant figures and Include the appropriate units. Value Units
What is the charge Q1? Express your answer to three significant figures and include the appropriate units. Constants Two small nonconducting spheres have a total charge of Q- 1Q 95.0 C, Q1Q2. When placed 22.0 cm apart, the force each exerts on the other is 13.0 N and is repulsive. -Value Units Submit X Incorrect; Try Again; 2 attempts remaining Part B What is the charge Q2? Express your answer to three significant figures and include the appropriate units. 2Value...
Express your answer to three significant figures and include the appropriate units HAO? FR. 4.36.102 N Submit Previous Answers Request Answer X Incorrect: Try Again; 5 attempts remaining Part B Determine the coordinate direction angle of the resultant force Express your answer using three significant figures. O AED vec O o Figure 1 of 1 > Submit Part C Determine the coordinate direction angle of the resultant force Express your answer using three significant figures A vecO ? Submit Request...
Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Consider the truss shown in (Figure 1) Suppose Uhal. F- 12 N For,- Value Units Submt Part B Determine the force in member CJ and state if this member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative valuc in the case...
Express your answer to three significant figures and include appropriate units The A-36 steel pipe in (Figure 1) has a 6061-T6 aluminum core. It is subjected to a tensile force of 200 kN. The pipe has an outer diameter of 78 mm and an inner diameter of 68 mm. For A-36 steel Est 200 GPa, and for 6061-T6 aluminum, Eal 68.9 GPa Ơal:1 Value Units SubmitP X Incorrect Try Again; 3 attempts remaining Part B Determine the average normal stress...
Specify the numerical value of I, Express your answer to three significant figures and include the appropriate units. ReviewI Constants The current and voltage at the terminals of the capacitor in the circuit in (Figure 1) are i(t) 2.5e2500f mA, vt)- (40 22e 25t) V, t20 I6.36 mA where t is in seconds. SubmitP XIncorrect; Try Again Part B Specify the numerical value of Vo Express your answer to three significant figures and include the appropriate units. 18.0 V Figure...
Find the value of Vi Express your answer to two significant figures and include the appropriate units Review 5.2 g of helium gas follows the process 1→2→3 shown in the figure (Figure 1). You may want to review (Page 490) Units Figure 1 of 1> Submit Request Answen 2 P2657°O Isothermal Part B Find the value of Va 2 atm 37°C Express your answer to two significant figures and include the appropriate units Find the value of p2 Express your...
Review Part B H2 Express your answer to two significant figures and include the appropriate units. mh,= Value Units Submit Request Answer Part C
Determine the tension in the cable. Express your answer to three significant figures and include the appropriate units. The smooth uniform rod AB is supported by a ball-and-socket joint at A, the wall at B, and cable BC. The rod has a mass of 18 kg (Figure 1) | The | Value | Units Submit P X Incorrect; Try Again; 5 attempts remaining Part B Determine the normal reaction at B Express your answer to three significant figures and include...
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