Your Chem101 trial expires on 01/25/21 at 12:00 AM Question 37.a of 37 You have three objects of varying shapes and sizes: Object 1 is a rectangular block of tin. Object 2 is a cube of aluminum. Object 3 is a sphere of copper. The density of tin is 5.75 g/cm. What is the mass of Object 1 in kg if the rectangular block has a volume of 1.34 L ?

Q: You have decided to try a new video game called World of Alchemist Hordes (WoAH) and created a…

A:

Q: The number of hours per week that the television is turned on is determined for each family in a…

A: Step : 1             The required answer for the question is follow as :

Q: The correct coefficients for the unbalanced equation below are: PCI 3 + H 2 O ---> H3 PO 3 + HCI О…

A:

Q: Charlotte is driving at 56.9 mi/h56.9 mi/h and receives a text message. She looks down at her phone…

A: 1 hour =3600 seconds Charlotte is driving at a…

Q: Identify the number of significant figures from the statements above as measured. Drag the…

A: Given: 60. g gold 32 mg of nitrate $1.65 150 mcg of iodine

Q: Carbon dioxide is a greenhouse gas. According to NASA, the atmospheric concentration of CO2 is…

A: Concentration of CO2 in atmosphere =406 mg/mL Mass of atmosphere = 5.15 x 1015 kg Density of CO2 =…

Q: The number of people present at an outdoor rock concert was estimated by police to be 40,000. What…

A: a)  10,000 If the uncertainty is 10,000, then the low and high value will be as follows: Low…

Q: A typical person has an average heart rate of 72.0 beats/min. Calculate the given questions. How…

A: The given question is based on the significant figures. The number of significant figures in the…

Q: The bathtub in the residential suite of the White House had to be enlarged for Warren G. Harding…

A:

Q: Ammonium phosphate ((NH) PO4 is an important ingredient in many fertilizers. It can be made by…

A: The balanced chemical equation between ammonia and phosphoric acid is given by

Q: A cylinder with a movable piston contains 2.00 gg of helium, HeHe, at room temperature. More helium…

A: Avogadro’s law states that the volume of a gas is directly proportional to its molar amount at…

Q: Gaseous methane (CHwill react with gaseous oxygen (02) to produce gaseous carbon dioxide (CO2) and…

A: According to the question, the chemical reaction is shown as follows:

Q: A 76.0076.00 pound flask of mercury costs $147.50.$147.50. The density of mercury is 13.534…

A: since you have posted a question with multiple subparts, we are entitiled to answer only firsr 3…

Q: what will you input as your final answer? 2. Round off 0.274 to two (2) significant figures 3. Round…

A: NOTE: please note for first question there is no mention of number of significant figures required.…

Q: How many significant figures should your answer have? 8.101 x 0.10 = %3D O 1 O 2 0 3 O 4 O 5 0 6 07…

A: In measurement number digit in value is known as significant figure, all non zero digit are counted…

Q: Ammonium perchlorate  NH4ClO4 is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A: The balanced chemical reaction is given below.

Q: If a car has an EPA mileage rating of 3.0 x 10' miles per gallon, what is this rating in km L1?1…

A:

Q: A student determines the density of a metal to be 8.55g/cm3. If the theoretical value is 8.91g/cm3,…

A:

Q: your're in canada on vacation and drive into 30 km/hr speed zone. how fast is the speed limit in…

A: Given that,  Speed = 30 km/hr  We need to express this in m.p.h (miles per hr)

Q: Evaluate the manager’s calculations with regard to significant digits. If necessary, rewrite any…

A:

Q: < 449 449 in ³ x STARTING AMOUNT A regulation NBA basketball has a volume of 449 in³ What is the…

A:

Q: Two students determine the percentage of lead in a sample as a laboratory exercise. The actual…

A: (a) Average of 3 trails performed by Student 1 Average=Sum of all ObservationsTotal number of…

Q: How much would it cost to buy nails that will be used to build a fence 125 meters long if it…

A:

Q: 4d Date Laboratory Instructor tee Basic Laboratory Techniques Pre-lab Questions So You should be…

A: Dear student, as this question contains multiple questions. We are answering only 1st question, if…

Q: How many miles can you drive, if your car gets 25.30 miles per gallon and you have 12.00 gallons of…

A: Hi, since you have asked multiple questions, we will solve the first question for you. If you want…

Q: 3. Find the density of air at 24°C and 2.026 x 10^5 Pa. One mole of air is assumed to be 79%…

A: PV = nRT 1Pa = 9.869*10-6 atm P = 2.026 * 105Pa = 2.026*105*9.869*10-6     = 1.999atm n = 1 mole T =…

Q: A mixture has three components. The percentage of sand was determined to be 37.31 %, the percentage…

A: Given: percentage of sand = 37.31 % percentage of benzoic acid = 37.45 % percentage of salt = 31.69…

Q: Ammonium perchlorate (NH₂C1O₂) is the solid rocket fuel used by the U.S. Space Shuttle. It reacts…

A: 6.6 g of ammonium perchlorate NH4ClO4 undergoes decomposition reaction to produce nitrogen gas…

Q: Q12. Convert 876.9 in.³ to m³. (a) 0.01437 m³ (c) 5.351 x 107 m³ 3 (b) 22.27 m³ (d) 0.014 m³ me

A: Convert in3 to m3

Q: O 1.0. 1.2. 7.0, 13.9 O 1.0. 3.2. 7.0, 10.9 O 1.0. 1.2. 7.0, 10.9

A: [HCl] = 0.10 N Volume = 20 mL  milliequivalents of HCl = 20 mL * 0.1 n = 2.0 meq Before scaling 2.0…

Q: 1-A 50.0 ml soap bubble is blown in a 27.0°C room. It drifts out an open window and lands in a snow…

A:

Q: A student is trying to determine the volume of a flask and compare it to the known volume. After…

A:

Q: Question 3 A patient has a temperature of 38.5 °C. What is the temperature in degrees Fahrenheit?…

A: We have temperature as 38.5°C, we have to calculate the temperature in Fahrenheit.

Q: There are a number of ancient measures of length, many of which were based on human measurements,…

A:

Q: -> Ô https://app.101edu.co Question 25 of 41 A patient is required to take an IV drug for cancer…

A:

Q: /hich two metals produce the highest reading on the voltmeter? Y A magnesium copper magnesium iron…

A:

Q: A cubic object has a side length of 3.17 cm.  It is found to be a pure substance with a mass of…

A: Density of the substance can be determined by using the formula given below as;…

Q: A student is trying to determine the volume of a flask and compare it to the known volume. After…

A: Given the relative standard deviation(RSD) = 2 ppt or 2% Percent error = 24 %

Q: 5.66×1020 H2O2H2O2 molecules Express your answer using three significant figures.         mm =…

A:

Q: You & 3 friends decide to “road-trip” to San Francisco for a 3-day weekend. It’s about 320 miles…

A:

Q: Calculate the kinetic energy of a 4.2 x 10^4 kg airplane moving at a speed of 155.ms Round your…

A: Given : Mass of airplane = 4.2 X 104 Kg  And speed of airplane = 155 m/s

Q: poor accuracy. D. gooup 6. The radius of a helium atom is 31 pm. What is the radius in nanometers?…

A: We have to calculate the radius in nm.

Q: Calculate the number of millimoles (mmol) of methanol (CH3OH) in a 49.3 mL sample of methanol if, at…

A:

Q: O CHEMICAL REACTIONS Sl Solving for a reactant using a chemical equation A major component of…

A: Given: Mass of O2 = 7.8 g Molar mass of O2 = 32 g/mol Molar mass of octane = 114.23 g/mol…

Q: chemist adds 0.50L of a 1.3M barium acetate (Ba(C2H3O2)2) solution to a reaction flask. Calculate…

A: given data ; Volume of solution =0.50 L  molarity of solution = 1.3M

Q: LAr where L length and r If the volume (V) of a cylinder is calculated as V is the radius, express…

A: 1 feet  = 0.0003048 km  Density = Mass/volume

Q: 1.) Convert 21.37 mL to L. Final answer into scientific notation 2.) How many years in 1 billion…

A:

Q: <Introduction to Ch 4 Combining Ideas 2 The mileage for a motorcycle with a fuel-tank capacity of…

A:

Q: 2.A student is trying to determine the volume of a flask and compare it to the known volume. After…

A:

Q: the muzzle velocity of a 357 magnum is 1100 feet per second. how fast is the bullet traveling in…

A: