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Q: Which n 15. Carry out the following mathematical ope significant figures. a) 116.3 ст —0.33 ст…

A: 15. Given, a) 116.3 cm - 0.33 cm = b) 137.8 mL + 25 mL =  c) 21 mg + 13.8 mg + 130.36 mg =

Q: The density of helium gas under certain conditions is found to be 0.164 kg/m³. What is the volume in…

A: Answer : Given that, Density = 0.164 kg/m3 MMass of helium gas = 353 kg

Q: 3410 m + 89.54 m + 11,000 m = ____________m

A: In the given problem, add on the three values and round off the answer to the correct significant…

Q: Complete the table below. ks cg 7000 mm 6 ML = = 9000 s 4 g m

A: We know that:  1 ks = 1000 s  1 g = 100 cg  1 m = 1000 mm 1 L = 1000 mL

Q: If a person weighs 225lbs 10oz how many mg does s/he weigh

A:

Q: 75.5 dg =      write in scientific notation

A: Scientific notation is used to express a number in its decimal form multiplied by power of 10. They…

Q: four imegular solid is made of lead (Pb) which has a real density (theoretical yield) of 11.34 g/ml.…

A:

Q: Perform the following conversion 1: mm3 _ A3

A: Length is the measurement for distance. The S.I. unit of length is m.

Q: ᴀ ꜱᴛᴇᴇʟ ᴛʀᴀɪɴ ʀᴀɪʟ ɪꜱ 400 ᴍᴇᴛᴇʀꜱ ʟᴏɴɢ, ɪɴ ᴍᴀʀᴄʜ ɪᴛ ɪꜱ -30 ᴅᴇɢʀᴇᴇ ᴄ ᴀɴᴅ 40 ᴅᴇɢʀᴇᴇ ᴄ ɪɴ ᴊᴜʟʏ. ᴡʜᴀᴛ ɪꜱ…

A: Detailed solution is provided.

Q: These compounds are labelled A, B, C, D, E, F, G, H. You must determine the identity of each of…

A: Bromine water reaction:(D) Unsaturated hydrocarbons decolourises bromine water. Compound D is an…

Q: 220 200 180 160 CNMR 11 10 9 140 7 120 6 100 80 Ppm Integral 2 5 ppm 4 60 3. 40 20 1 2 3 1 0

A: 13C NMR data: Carbon peaks are observed at, 10 ppm, 25 ppm, 70 ppm. 1H NMR data:  Proton peaks are…

Q: • CO2H 3000 B • OH 2000 C 1500 • CO2H 1000 cmt

A: Given Compounds:A-  Cyclohexanoic acidB- PhenolC- Benzoic AcidD- CyclohexanolTo Identify the…

Q: Complete the table below. dL 300 cg = 8000 mm = Ms = = X 3 L 4 000 000 s m

A:

Q: 5 of 24 Review Constants Periodic Table Density is an intensive physical property that relates the…

A: Part A: The density of gasoline =0.737 g/mL  The volume of the tank= 12.5 gal  1 gal = 3.78 L   The…

Q: FRider Beam 200 300 、 時30 10 20 40 50 60 70 80 90 100 6 7 10 3. 2.

A: Triple beam balance is an instrument used to measure mass. It uses mass riders for measurements.

Q: convert the following 1. 550 nm =                        km 2. 6328 Å =                         nm…

A: Convert the given measurement----

Q: Use the References to access important values if needed for A sample of volume 244 cm has a mass of…

A: Mass = 1.04 Kg = 1040 g Volume = 244 cm3 Density = ?

Q: app. Question 3 of 20 Mercury (Hg) in a thermometer has a mass of 700.0 mg Hg and a volume of 0.0510…

A:

Q: 1750gt x II X 10 dl 1.os67 gt x IL

A: In the first step unit conversion takes place 1L = 10 dL 1L / 10dL = 1 = 10dL / 1L Then cancel out…

Q: I have a question about chemistry and it's A hectacre(1.0000 * 10 4square as in top of that 10 m2…

A: Given :— Area of farm =5.0 hectare To find :— Area of farm in square feet.

Q: O Gen Chem Unit la - Measureme x O…

A: given, measurements are 16.4 mL, 16.6mL, 16.5mL and 16.4mL

Q: C,H,0 2738 2820 1703 4000 3000 2000 1000

A: IR spectroscopy is an important tool for the determination of the functional group in the compound.…

Q: I have to set up my chemistry homework this way as I need to know how to convert 27.6 mm to um and…

A: Applying given map for given data, mm→cm→m→Gm  and mm→cm→m→?m

Q: What is the proper scientific notation of the value 0.003280?    Group of answer choices 3.28 x 10-3…

A: What is the proper scientific notation of the value 0.003280?

Q: Which of the following weights would you expect to be suitable for weighing on an ordinary bathroom…

A: Most bathroom scales use pounds (lb) to measure weight.Hence, we will convert each unit to pounds.…

Q: Complete the table below. 9 kg =   g 40 dm =   m   Ms = 5000000 s   mL = 2 L

A: This question belong to unit conversion. Conversion of unit.

Q: Complete the following train track to convert 80965 centimeters to ft. 1 ft = 12 in     2.54 cm = 1…

A: Consider the given information is as follows; 1 ft = 12 in     2.54 cm = 1 in     5280 ft = 1 mi…

Q: kg 8000 mL = dm = 300 cs 11 X 3000 g OL 2 m Ś S

A:

Q: Express 34670000.0003 N in scientific notation

A: Scientific notation=> It is a way to express very large number or very small number. RULES:-  1)…

Q: 14.3577+2.59 Express your answer in appropriate significant figures

A: Given :-  14.3577+2.59  To solve :-  Given addition problem with appropriate significant figures

Q: Be sure to answer all parts. The volume of a room is 1.20 x 10° dm. What is the volume in m'? | m3…

A: Given, Volume of a room = 1.20 * 108 dm3      Required,                    Volume of the room in m3…

Q: According to metric prefixes 1 TL is equivalent to O 10-12 T O 10-12 L O 1012 L 1012 T

A: Here we are required to find the correct conversion factor

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

A: here is the solution

Q: QUESTION 6 What mass of ethane, C2H6, contains the same number of molecules as 3.00 g of…

A:

Q: How many picometers are in 100. yards?

A: Yards and picometers are units of length. Actually ‘meter (m)’ is considered as the SI unit of…

Q: Please break down steps to answer the problem please thank you

A: Mass = 55.9kgVolume = 57.2 L.

Q: ge.com/course.html?courseld%3D15807691&OpenVellumHMAC=D4813aeeccd169993069b9dc37c5b2cc <Chapter 1…

A: The conversion factors of grams to microgram, megagram, milligram and nanogram are given as follows:

Q: Subtraction - express all answers in the correct significant figures - be sure to include units…

A: Significant Figures -  They indicate the reliability of a number that tells us how many digits are…

Q: H 3000 B 2000 HO 1500 mpm 1000

A: Given Compounds:To Identify the structure (from the list of given structures) that corresponds to…

Q: . A box is 252.50 cm wide, 18.25 cm tall and 6.50 cm deep. Calculate the volume of the box in…

A: Given=&gt; A box having:-       Length (L) or tall=&gt;18.25 cm         Width (W)=&gt;252.50 cm…

Q: 50 °. 40 30 20 10 - 10 -20 -30 -40

A:

Q: Complete the table below. Ms 7000 mL = km = 900 cg 11 X 4 000 000 s OL 6000 m 5 g

A: In the given question we have to do the following conversion to complete the table.

Q: 4 (1070 kg)(28.3 m/s)2 = %3D O 4.285 x 105 kg m²/s² O 4.3 x 105 kg m²/s² O 4.28 x 105 kg m²/s² O4x…

A: Significant figures can be defined as the number of digits present in a number including last digit…

Q: liquid density methyl acetate 0.93 mL pentane 0.63 mL acetone 0.79 mL g tetrahydrofuran 0.89 mL…

A: Density is a physical properly that defines mass of a substance present per unit volume of it. Its…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.