A molecule of oxygen (O₂) has a speed of 473 m/s at a certain temperature. Determine the speed of the molecule in kilometers per hour (km/h).

Q: Jhe density n Of nitrOgen is A 1.25066ML at STP. the ingrams of lo00 o at= 0.9463Lo use Only units…

A: Given:- Density of nitrogen gas = 1.2506 g/ml  Volume of nitrogen gas = 0.9463 L = (0.9463 x 1000)…

Q: One gallon of gasoline in an automobile’s engineproduces on the average 9.5 kg of carbon dioxide,…

A: Solution- consumes gasoline 1 gallon at 20 miles journey  consume gasoline at 120× 5000 miles =…

Q: noraml body tempature is 37.0 celsuis , what is the corresponding fahrenheit tempature?

A: Given,37.0 Celsius.

Q: A typical animal cell is said to contain some 10 billion protein molecules that need to be sorted…

A: Given the average molar mass of a single amino acid (AA) = 110 dalton / AA Average number of amino…

Q: The density of a toy is 4.0g/mL and it has a mass of 2.0g. what is it’s volume? (I am only asking…

A:

Q: What is the name of the unit that equals (c) 10-3 meter?

A: SOLUTION: Step 1: 10-3 fraction of a unit is represented by a prefix milli. The unit for 10-3 meter…

Q: Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of carbon…

A: Answer: volume of carbon dioxide gas produced is 2.20 L.     given,             Volume of Methane…

Q: If the temperature is -55 °F, what is the corresponding temperature on the Kelvin scale?

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Q: ir-conditioned room at 19.0 °C, a spherical balloon had the diameter of 50.C e on a hot summer day,…

A: Let us assume that both the pressure and moles of the balloon gas remains constant and the gas…

Q: 1. What is a force of 2 kg-m/s² equivalent to in newtons? What is a force of 2 Ibm •ft/s" equiv-…

A: Conversion of units is the conversion between different units of measurement for the same quantity,…

Q: If Obje ct has a den s.t4 Of 8.65 g/cm³ What is its an density in 3 units Of

A: We have been asked to convert density from g/cm3 to kg/m3 It is solved in step 2.

Q: density

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Q: If it says to add 64oz to 250 gallons, hiw many ounces would you add to 30 gallons?

A:

Q: A human brain weighs about 1 kg and contains about1011 cells. Assuming that each cell is completely…

A: Kilogram and gram are some common units of mass. These units can be converted into each other with…

Q: A cat has volume 0.08 m³ and density 670 kg/m³. Find the mass of the cat ?

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Q: You pass a road sign saying New York, 160 km. If u drive at a constant speed of 102km/hr how long…

A: Distance = 160 km Speed = 102 km/hr Time = ?

Q: An experiment was performed to look at how density changes when t he ratio of water and ethanol was…

A: Since there are multiple sub-parts for this question, we will be answering only the first three…

Q: calculate its theoretical density in g/cm3. NA put the units

A:

Q: A medication is available as 10 gr per fl oz. How many fl oz would you give to a patient who is to…

A: Given:        1 fl. oz. of medicine = 10 gr (gr = grains)  To find:          if 650mg of medicine is…

Q: A 12-oz vanilla milkshake at a fast-food restaurant contains 525 Calories. What quantity of energy…

A: Given: Energy = 525 calories.

Q: One gallon of gasoline burned in an automobile’s engine produces on the average 9.5 kg of carbon…

A:

Q: What is the ln of 1/time of the time is 449.7 seconds?

A: Given,t=  449.7 seconds

Q: If a regulation "fast -pitch" softball (188g; spherical in shape) has a circumference of 30.5cm at…

A:

Q: A sample of a liquid solvent has a density of o.915 a ImL. Hhatis the mass of 85.5mL'ofthe liquid? 9

A: Interpretation-  To determine the mass of a liquid sample where given density is 0.915g/mL and given…

Q: having so much trouble understaning how to convert quantites from one metric unit to another how do…

A: Given,0.01 mmol

Q: A jogger wants to run 43 kilometers at a pace of 5.72 meters/second. How many hours must she run?…

A: Speed is defined as,the distance traveled by object in 1 second

Q: Which is greater mass: 2158 g or 2518 kg?

A:

Q: 2. As of today Gold is trading at $1841.94 per ounce. Recall that 1 ounce 28g. If we have 28.56g of…

A:

Q: Aluminum is a lightweight metal (density = 2.70 g/cm3)used in aircraft construction, high-voltage…

A: Conversion : 1 kg/m3 = 10-3 g/cm3  density = 2.70 g/cm3              = 2.70 x 103 kg/m3

Q: which gasoline is less is less expensive: gas that cost $2.41 per gallon, or gas that sells $0.78…

A:

Q: In the year 2013, an estimated amount of 36 billion metrictons (1 metric ton = 1000 kg) of carbon…

A: Conversions are, 1 metric ton=1000kg  1 kg = 1000 g 1015 is called prefix Peta.

Q: In the year 2013, an estimated amount of 36 billion metrictons (1 metric ton = 1000 kg) of carbon…

A: solution- 1 metric ton =1000 kg 1 kg = 1000 grams  metric ton conversion into grams ; 1 metric ton…

Q: An aqueous solution containing 30wt% sulfuric acid has a specific gravity (SG) of 1.2185. A quantity…

A:

Q: 3) A technique once used by geologists to measure the density of a mineral is to mix two dense…

A:

Q: Methane gas and chlorine gas react to form hydrogen chloride gas and carbon tetrachloride gas. What…

A: Given,Volume of Methane (CH4) = 5 m3                                                = 5 x (10 dm)3…

Q: What is the minimum mass of hubnerite (MnWO), a tungsten ore, from which 85.0 g of pure tungsten…

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Q: Density of water 0.997044 , what mass of water will occupy 250 L at 25 degrees celcius , answer in…

A:

Q: One gallon of gasoline in an automobile's engine produces an average of 9.5 kg of carbon dioxide,…

A: Given- 1 gallon gasoline = 9.5 Kg carbon dioxide Consumption rate = 20 miles per gallon Distance =…

Q: Which of the following conversions are correct? Select all that apply. OA. g.64 in, = 21.9 cm

A: Answer: Correct: A,B

Q: Calculate the mass of vanadium(V) oxide (V,0,) that contains a billion (1.00 x oxygen atoms. Be sure…

A: Given that, No. Of O atom = 1.00×109   Molar mass of O = 16 g mol-1  Molar mass of V2O5 = 188.88 g…

Q: The world record for the hundred meter dash is 9.79s. What is the corresponding average speed in m/s

A: Answer

Q: (a) If an electric car is capable of going 225 km on a singlecharge, how many charges will it need…

A: Since 1 km = 0.621 miles The charges as the trip begin with a full charge is calculated as

Q: At what temperature in K, will the average velocity of O2 gas be 515 m/s? Express your answer in…

A:

Q: An iceberg has a volume of 7655 ft2. What is the mass of the ice (in kg) composing the iceberg (at 0…

A: Given information,      An iceberg has a volume of 7655 ft2

Q: coventional 15w-40 motor oil in a car's engine has a volume of 4.20 L 15w-40 and a mass of 3.66 kg…

A:

Q: Hydrogen gas and nitrogen gas react to form ammonia gas. What volume of ammonia would be produced by…

A:

Q: 1) A student measures 7.45 cm³ of chloroform using a glass syringe. Given that the density of…

A: The moles of chloroform is calculated as,

Q: Ammonia gas and oxygen gas react to form water vapor and nitrogen monoxide gas. What volume of…

A:

Q: Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NAOH) to produce aqueous…

A:

Q: Convert a speed of 341 cm/s341 cm/s to units of inches per minute. Also, show the unit analysis by…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.