9) The temperature of a sample of N2 at 4.9701 atm is changed, causing a change in volume from 39.908 L to 9.736 L. If the initial temperature was 654.67K, and its new pressure is now 7.3487 atm, what is the final temperature in Kelvin?

Q: Which has the smallest density? 1.) 1.5 g/mL 2.) 1.5 g/L 3.) 1.5 mg/L 4.) 1.5 g/cm3

A: To compare the given densities first of all we convert the unit of density in g/mL unit.

Q: The average radius of a molecule of lysozyme an enzyme in tears is 1.430nm. What is its radius in…

A: To solve this we have to convert the radius from nanometer to Kilometer  We know that  1 nm = 10-9 m…

Q: What is the correct volume reading for this buret, using the proper number of significant digits?

A: Steps to read the measurementStep 1: When a transparent liquid is placed in glass ware (like…

Q: 4. Materials: Steel, Brass, Copper, Aluminum, Acrylic, Oak, Nylon, Pine, Poplar, PVC, Triple Beam…

A: Mass is 138 g  Volume is 15.6 cc (as same volume of water will be displaced) So, density = M/V =…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: An Astronaut on the moon places a package on a scale and finds its weight to be 12 N What would the…

A: Weight of package on moon = 12  N

Q: 4.67*10^5 nm to meters

A: So, as we know that, 1 nm = 10-9 m 1 fm = 10-15 m 1 pm = 10-12 m 1 Å = 10-10 m 1 um = 10-6 m 1 mm =…

Q: Which subshells (s, p, d, f, or g) can have electrons with the indicated magnetic quantum number…

A:

Q: The product of 6.89/1.3550 will have ____ significant figures.   A)  1   B)  2   C)  3   D)…

A: -> 6.89 / 1.3550

Q: 12.12 in^3 to feet cubed

A:

Q: Copper has a density of 4.4 g/cm3.  What is the volume of 6.83 g of copper? The volume of the…

A:

Q: Put answer in scientific notation  1.67x10^4/7.49x10^-4

A: The given calculation is: 1.67×1047.49×10-4

Q: 1) 2.2 lb = ___kg 2) 16 fl oz = __pt 3) 1 tsp = __ml 4) 15 gr = __g 5) 1 oz = __m

A: The following conversions can be carried out as:

Q: Cu + 02 - > Cu20 How many grams of Cu are needed to make 47.1g of Cu20?

A: Answer:Number of moles of any specie is always equal to the ratio of its mass and molar mass,…

Q: Which of the option below is an exact number 01.02 x 10³ cm 01.1052 cm 07.0 pennies O 1,000 kg

A:

Q: The number 24.03687 rounded to significant figures is________

A: The number 24.03687 rounded to significant figures is?

Q: If you have a pOH of 3.65 the [OH-] would be ____M.   You only need to type the number in the box…

A: of the solution is negative base-10 logarithm of hydroxide ion concentration. …… (1) 3.65…

Q: e) 248 cm to millimeters

A: We have to predict the value in millimeters.

Q: round each of the nubers three(3) significant figures  0.054206 200.953 96.50 0.001460 72.650…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: How many significant figures does the number 48.050 have? A) 3 B) 4 C) 5 D) 2

A: The number 48.050 have significant figures  - 5

Q: 1.04km to cm

A: We have to convert 1.04 Km to cm.  First, we have to convert 1.04 Km to meter(m) and then meter(m)…

Q: 4) What volume will a 4.67 g object occupy if its density = 7.86 g/cm³? 5) The density of mercury…

A:

Q: 3. Use the pictures below to read the volumes of water using different glasswa sure to record the…

A: Given are three different glasswares.To find the volume indicated.

Q: What would the volume (in cm) of an aluminum cube be if the density is 2.70 g/cm3 and the mass is…

A: Density = Mass / Volume Mass in grams(g) Volume in cm3 Unit of Density = g/cm3

Q: 55 Which element does X represent in the following expression: 25X?

A:

Q: 1. Calculate the volume of ball bearings 1 - 7 and record the result with excess significant figures…

A: Since you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: The mass of a proton is 1.67 x 10-27 kg. What is the mass of a proton in femtograms? A) 1.67 x…

A: Mass of proton is sum of subatomic particles: protons and neutrons. Subatomic particles are protons,…

Q: How many sigfigs does this number have 0.021?

A: Rules:- All non-zero digits are significant. Zeros between non-zeros are significant. Trailing…

Q: 17. Divide these measurements and round off if necessary: 235 divided by 62

A: The given question is an example of division and the answer is shown below.

Q: Express the quantity 33.2 x 10-min mm. a) 33.2 mm c) 0.332 mm b) 3.32 mm d) 3.32 x 10- mm

A: The meter and millimeter both are units of length. The millimeter is equal to one-thousandth of a…

Q: 4) What volume will a 4.67 g object occupy if its density = 7.86 g/cm³? 5) The density of mercury…

A:

Q: Convert 34.0 mm to inches

A:

Q: 123.54 cm - 121.91 cm) * (0.5487 cm) = _________________cm2

A: In any measured quantity, digits known with certain along with one last uncertain (or inexact) digit…

Q: Identify the numbers from the statements above as exact or measured. Sort these numbers into the…

A: here is the solution

Q: 1. 50 milliliters (mL) of a certain liquid has a mass of 12.5 grams (g). What is its density? Show…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Solve y 0.79= In (y)

A: Given : 0.79 = lnY  Tip : ln(M) = N then M = eN

Q: How many significant figures does the number 48.050 have? A) 3 B) 4 C) 5 D) 2

A:

Q: (34.56 cm) * (10.00 cm)*(4.95 cm) = _____________cm3

A: Volume is the space a substance or object can occupy. It can be expressed in various units but its…

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.