Calculate the mass, in kg, of each sample.
Express your answer with the appropriate units.
Value? Units?
1) 8.47×1027 manganese atoms.
2) 1.70×1029 lithium atoms.
3) 8.47×1027 manganese atoms.
4) 6.09×1027 nickel atoms
Calculate the mass, in kg, of each sample. Express your answer with the appropriate units. Value?...
Calculate the mass, in kg, of each sample. 1. 6.27×1026 cadmium atoms. 2. 1.93×1027 nickel atoms. 3. 6.43×1027 manganese atoms. 4. 1.89×1029 lithium atoms. Calculate the number of atoms in each sample. 1. 11.781 g Cr 2. 31.750 g S 3. 23.286 g Pt 4. 82.515 g Sn How many moles of atoms are in 7.00 g of 13C?
Calculate the mass, in kg, of each sample. Part A. 3.44x10^26 cadmium atoms Part B. 6.14x10^27 nickel atoms Part C. 9.03x10^27 manganese atoms Part D. 1.54x10^29 lithium atoms
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 Heals of Fusion for Selected Substances Substance Heat of fusion (J/) Propane САН. 3157 cal Benzene CH Submit Previous Answers Request Answer Acetic acid CHO, 192 Ethanol CHO 100 X Incorrect; Try Again; 5 attempts remaining Ammonia NH 351 Part 8 Water HO 334 joules to freeze 263 g of...
Calculate the molarity of each of the following solutions: (Express your answer with the appropriate units.) 9.06 molmol LiNO3LiNO3 in 6.53 LL of solution. 0.595 molmol FeCl3FeCl3 in 966 mLmL of solution.
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
Part C Find the tension in rope B Express your answer with the appropriate units TB- 1 Value Units Submit Request Answer Question 3 Constants Part A Three sleds are being pulled horizontally on frictionless horizontal ice using horizontal ropes (Figure 1). The pull is of magnitude 140 N Find the acceleration of the system. Express your answer with the appropriate units. aValue Units Submit Figure 1 of 1 Part B Find the tension in rope A Express your answer...
Calculate the mass percent composition of O in each compound. A. calcium nitrate Express your answer using four significant figures. B. manganese(II) sulfate Express your answer using four significant figures. please help these are the only questions i have trouble with. but please also explain.
Part A What is the pressure inside the container? Express your answer with the appropriate units. Review The number density in a container of neon gas is 5.50x1025 m . The atoms are moving with an rms speed of 610 m/s You may want to review (Pages 551- 552) pValue Units Submit Part B What is the temperature inside the container? Express your answer with the appropriate units. T- Value Units Submit uest Ans
Cu(NO3)2 Express your answer using one decimal place and include the appropriate units. the molar mass Value Units Submit
Part G What is the value of Co for the condition of Part E? Express your answer with the appropriate units Value Units Submit Request Answer Review Constants The peak amplitude of the sinusoidal voltage source in the circuit shown in the figure is 150 V, and its frequency is 5000 rad /s. The load resistor can be varied from 0 to 4000 Ω, and the load capacitor can be varied from 0.1 μF to 0.5 μF (Figure 1) Figure...