Review | Consta Part A 3.40 1023 atoms of lanthanum, La Express your answer to three significant figures and includ...
Part A 162g of a 31.0% (m/m)LiBr solution Express your answer to three significant figures and include the appropriate units. ? HA 49.0 g Request Answer Previous Answers Submit iIncorrect; Try Again; 4 attempts remaining Review your calculations, you may have made a rounding error or used the wrong number of significant figures Part B 492 g of a 8 5% (m/m)KCI solution Express your answer to two significant figures and include the appropriate units. Part C 286 mL of...
Part A Review What is the spring constant? Express your answer to two significant figures and include the appropriate units. A spring is hanging from the ceiling. Attaching a 430 g physics book to the spring causes it to stretch 30 cm in order to come to equilibrium. kValue Units Submit Part B From equilibrium, the book is pulled down 10 cm and released. What is the period of oscillat Express your answer to two significant figures and include the...
Review Part B H2 Express your answer to two significant figures and include the appropriate units. mh,= Value Units Submit Request Answer Part C
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...
A Review | Consta Part A What is the pressure in a 21.0-L cylinder filled with 37.5 g of oxygen gas at a temperature of 323 K ? Express your answer to three significant figures with the appropriate units. CHÅ MO? Value Units Submit Request Answer Provide Feedback
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...
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...
▼ Part A Specify the electric field strength E Express your answer to two significant figures and include the appropriate units Review Two 16 cm -long thin glass rods uniformly charged to +10nC are placed side by side, 4.0 cm apart. What are the electric field strengths E. E2. and Es at distances 1.0 cm, 2.0 cm, and 3.0 cm to the right of the rod on the left, along the line connecting the midpoints of the two rods? B+1...
Item 8 Part A Evaluate [6.66 x 10°" mm to three significant figures and express your answer in SI units using an appropriate prefix Express your answer using three significant figures. [6.66 x 102 - Submit Request Answer Part B Evaluate (148 mm) to three significant figures and express your answer in Sl units using an appropriate prefix Part B Evaluate (148 mm) to three significant figures and express your answer in SI units using an appropriate prefix Express your...