6. 1.23 x 104 is equal to A. 0.0000123 B. 0.000123 C. 1.230000 D. 123000 E. 1230000

Q: A strip of aluminium weighing 0.789 g is heated from 26.1 0(C to 45.8 0(C. What is the q

A: Given data: Mass of Al strip = 0.789 g Temperature T1 = 26.1o C  Temperature T2 = 45.8o C Formula…

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: Choose the factor that explains this observation.

A: Organic compounds  can be defined as the compounds that contain carbon and hydrogen atoms in a…

Q: esult as a number without units. You may use standard or exponential notation d be entered as…

A:

Q: Montes wants to hit the beach and go diving. However if his body doesn't take up enough space he…

A: The juice which is on top it's mean it is lightest so density of pomegranate juice is lowest .

Q: Part B ? 65.7 °F = °C Part C ΑΣφ ? -26.0 °C = Κ

A: The necessary conversion required to solve the given problem are,                 C = (F − 32) × 59…

Q: Number

A: A) use stoichiometry of the reaction to get mass of methanol.

Q: Mercury has a density of 13.60 g/cm3. What’s the volume of 2.4 mole of mercury?

A: Given: The moles of Hg, (n) =2.4 moles. The density of mercury, (ρ) = 13.60 g/cm3

Q: Total U.S. farmland occupies 954 million acres. How many square miles is this? (1 acre = 43,560 ft2,…

A:

Q: :S-H :0: DD ? not | 10 S. O: e H DD ? not 0: DD ? not CI-CI: DD ? not N: :CI-F: DD ? not N :i-F: DD…

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Q: Find A[CIF3]/At Express your answer to two significant figures and include the appropriate units. HẢ…

A: Given data Reaction : Cl2(g)+3F2(g)→2 ClF3(g) rate : ∆Cl2∆t=-0.093 M/s

Q: Table 1 Temperature dependence of distilled water density t[°C] 15 PH20 [g cm 0.99996 16 0.99940 17…

A: Mass of water = mw - mo = 30.4398 - 20.3054 = 10.1344 g Therefore, volume of water in the pycnometer…

Q: Why is it necessary to record the temperature when measuring density?

A: Hello. Since your question has more than one question, we will solve the first question for you. If…

Q: A hybrid electric vehicle has an EPA gas mileage rating of 53mL/gal in the city. How many kilometers…

A: 1 gallon = 3785.41 ml 53 miles = 85.2952 km mileage of car = 53 miles/gal or 3785.41 ml needed to…

Q: 17. Explain why units are important in calculations.

A: Units can act as a guide in a calculation and are ready to show if the calculation is off track.…

Q: A)I,ii and b)I and ii

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: Co(T) =C + 1x10³.C.T + 1x10°.C3.T? + 1x10°.C4.T? T1 Cp dT T 298 Remember that S= S98 + %3D

A:

Q: A box contains a mixture of small copper spheres and small leadspheres. The total volume of both…

A: Consider the given information is as follows; Total mass mtotal = 4.36 kg = 4360 g Total volume…

Q: for parts B and C why divide by 4 and 16 respectively?

A: For the decomposition of NO2 to NO and O2 gas, it is given that the decomposition is determined to…

Q: What temperature scale must be used when applying Charles' law? a Kelvin b Fahrenheit C Celsius d…

A: At constant pressure, the volume of the gas increases with an increase in temperature. According to…

Q: A 10.00mL sample of liquid is added to a flask with a mass of 90.05g. The mass of the flask and…

A: Given, Volume of liquid =10.0 mL mass of flask =90.05 g mass of flask and liquid =98.0 g

Q: Celsius and 73

A: According to the ideal gas equation pressure is directly proportional to the number of moles,…

Q: of diagrams (a

A:

Q: What is the coefficient (Please note that eler should be a whole nur XO4 +Y204² Y

A: Redox reaction,  XO4- +Y2O42- ---> YO2 + XO2 Half reaction splitting  XO4- ---> XO2 Y2O42-…

Q: dt y liters of

A:

Q: density of

A:

Q: I wants to know the formula Of density measure

A: Density = Mass of substanceVolume of substance

Q: gas ________.   A. are very far apart   B. decrease kinetic energy as temperature increases…

A: The gases contains large number of small particles far form each other as compared to there size .…

Q: a. What two quantities must you measure to determine the density of a substance? b. Design and…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: Q10. How many moles of point to 102 degC? The r Assume that the density c

A: When a non volatile solute is dissolved in a solvent, its boiling point is raised. And the elevation…

Q: - V4 V2 E-0 .w.. . - - 1. c.) 1. b.) V4 - V3 V2 - V3 92 V3 - V4 V4 V2 92 V3 /-

A: The correct energy level has to be given.

Q: Convert

A:

Q: baseball is thrown from center field to second base and its velocity changes from 15m/s to 10m/s. s…

A:

Q: The number 7.134×10^7in normal decimal notation is?

A: Basic rules to convert scientific notation into decimal notation :If the exponent is positive, move…

Q: The population density of worms in a particular field is 35 worms per cubic meter of soil. How many…

A:

Q: A student performed the same experiment as you. The following data was recorded in their lab…

A: We know that PV = nRT P= Pressure V = Volume n = No of moles T = Temperature

Q: When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 21.6 gg of carbon…

A: 1) Write the balanced chemical equation for the given chemical reaction. 2) Identify the limiting…

Q: How many megaseconds are there in 31.818 deciseconds?

A: We will use the concept: 1 megasecond = 107 decisecond or 1 decisecond  = 10-7 megasecond

Q: 2 H2S(g) + 3 O2(g) – 2 H20(g) + 2 SO2(g) Substance s° / J mol K-1 H20(g) O2(9) 188.8 205.2 H2S(g)…

A: Given: ∆So for H2S(g)=205.8 J mol-1K-1∆So for O2(g)=205.2 J mol-1K-1∆So for H2O(g)=188.8 J…

Q: 16. Make the following temperature conversions. a. 27.3°C to K c. 373.2 K to °℃ b. -25°C to K d.…

A:

Q: 12 O A.[01-1] O B. (01-1) o c. [21-2] O D. (21-2) O E. [0 -1-2]

A: Steps we have to follow-

Q: I have a question. for the first question, wouldn't I divide 2.202 by 6.626 and divide by 100??…

A: Mass percent = (mass of solute / mass of solution) x 100 (1) mass percent of silicon dioxide =( mass…

Q: How do I solve this? I do know that it is linear.

A: Using the given data, graph can be drawn by plotting p H against volume of base and is given below:

Q: use data to discuss whichc calculated density is more accurate.

A: Density is obtained by dividing mass by volume Density(d) = mass(m)Volume(v) => m = d*v (or) v =…

Q: 1. Why do we use the Kelvin temperature Instead of the Celsius scale in calculations involving…

A: Scientists use kelvin instead of celsius because celsius tends to be more factual starting in the…

Q: Earth's oceans have an average depth

A: An ocean is a huge body of saltwater that covers 71 percent of surface of earth.

Q: A middle school student asks you why hot air rises. Explain in one to three sentences the reason…

A: When air  gets heated up it expands and become less dense than surrounding .

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.