1.285 x 10^-2 + 1.24 x 10^-3 + 1.879x 10^-1

Q: x2 4. (0.432)x(0.928)3 1.45 x 10-5 X-?

A:

Q: 8)200cm3→ dm3 9)3.5 x 105 ng → mg 0)8.43 x 1012 mg Gg

A:

Q: 1523.789 mm3 / 4.018 cm2 =   ____________ inches

A: 1523.789 mm3 / 4.018 cm2 =   ____________ inches

Q: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

A: The equation is as follows: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

Q: 1. Mg + ip- X+ a 2. Co + H- X+ Co 3. 2U+ in- Kr + Ba + 3 X 235 4. Cr + a- X+ ¿n 5. 200 - 2F + X

A: Question belong to nuclear chemistry. We will balance the chemical reaction according to the rule of…

Q: 8. KI 9. NaCI 10. Mg Cl2 11. Na;N

A: 8) KI : In the compound we have metal cation K+ from s block and I- anion. Since in the naming of…

Q: The single proton that forms the nucleus of the hydrogen atom has a radius of approximate 1.0x10-13.…

A: Volume of nucleus and Hydrogen atom is determined as given below,

Q: 133 Tg О 1.33 х 1010 О 1.33 х 1012 О 1.33 х 108 g О 1.33 х 1014 Part D 1.5 dg -1 О 1.5 х 10g -6 О…

A: Given:-  C)  133 Tg  D)  1.5 dg  To convert : the above values in grams

Q: The density of an object is 0.072 g/mL. Calculate the mass of this object (g) if it displaces 150.0…

A: Given: The density of an object = 0.072 g/mL The volume of water displaced by the object = 150.0 mL…

Q: Calculate the volume of 125 g of the following liquids: a. Sea water (d = 1.03 g/mL) b. Methyl…

A: Given that, density of sea water= 1.03g/mL            density of methyl alcohol=0.792g/mL…

Q: O 32x 10 13

A: This question is related to solubility.

Q: Which of the following is the largest mass and which is the smallest? (a) 41 g (b) 3x 10 mg (d)…

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

Q: Express the following in conventional notation 8.43 x 105 256.9 x 10-8 Express each of the…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: volume

A:

Q: Perform the following calculations and express the answer with the appropriate number of significant…

A:

Q: What is the volume of an object that displaces water in a graduated cylinder from 10.8 mL to 14.7…

A: Given:The initial volume level of water = 10.8 mLThe final volume level of water = 14.7 mLWe need…

Q: 1) 0.345 g-0.27 g = [Select] 2) 8.159 g/0.95 mL = [Select] g g/mL

A:

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: Givens: 1 mile 5,280 ft 1 inch = 2.54 cm 3 feet 1 yard 454 g = 1lb 946 mL- 1 qt 4 qt 1 gal 12 inches…

A: Concept based on Dimensional analysis.

Q: convert 3.73 x 10-3m to the equivalent length in nanometers

A: Given,3.73*10-3m  One metre is equal to 109nm.

Q: 4. Convert 574,780 microliters into liters.

A: A liter is a unit of volume with SI unit of the volume being m3.

Q: (2.23 x 10^3 g) (9.0 x 10^-3 g)/ 10.1 x 10^-7 s^2=

A: The given quantities are in the units of grams and seconds. The expression has been solved below.

Q: (9 x 10⁶)(8 x 10⁻⁴) (4.4 x 10⁻⁷)(6.1 x 10⁻³)

A: (9×106)(8×10-4) =72×106+(-4)= 72×102 =7.2×103.

Q: 1.00 x 10 8 + 9.45 × 10 4.03 x 103 +1.00 × 10 8 3.17 x 104 9.68 x 106 (1.00 x 10-8) (9.45 x 10- 4)

A: 1.00×10-8+9.45×10-4we can write…

Q: to the correct number of significant figures: 1.285 x 102 - 1.24

A: * Significant figure are number which are meaningful  in measurement  in term of accuracy  or…

Q: Calculate the volume (I x w x H ) of this cube to the correct number of digits. Block of wood Height…

A: Length of the cube = 1.2 cm Width of the cube  = 1 cm Height of the cube  = 1 cm

Q: Alumimnum foil dimensions Length (cm) 15.02 cm Width (cm) 11.61 cm Mass of aluminum foil (g) 11.447…

A: Introduction: Density is the mass per unit volume of a material. density is  d = MV where  d is the…

Q: 1. РОСls 2. MеMgCI 3. aq H*

A: 1. Amide reaction with POCl3 produces cyclohexane nitrile. Cyclohexane nitrile react with methyl…

Q: 1. Convert 6.4 decades to seconds. (24 hours 6.4 decades x ( 10 jo years)x(305 days) x 60 minutes…

A:

Q: (7.90× 10-) (1.87 × 10*) x 10*) = 10°). 8.09 x 10-4 9.17 x 10° – 1.87 × 105 (3.19 x 10°) (9.17 ×…

A: First we  need simplicity of power after it we do our complete calculation.

Q: 0.0180-0.0059/0.03168

A: This simple calculation can be done through BODMAS rule.  B-: Bracket O-: of D-: Divide M-: multiply…

Q: The single proton that forms the nucleus of the hydrogen atom has a radius of approximately 1.0 * 10…

A: Given, Radius of the nucleus = 1.0 x 10-13 cm = 1.0 x 10-15 m Radius of the hydrogen atom = 52.9 pm…

Q: 5:33 m x 9.9629 x 10-³ m x 18.943 m CA CO

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

Q: This question is designed to ensure that you are using your calculator correctly. Use a calculator…

A: Significant Figures - It basically tells us how many digits are reliable and absolutely necessary in…

Q: 154.29) 1.5 3.29 x (0.234 - 0.73)

A:

Q: Length:3.55 cm Width:2.55 cm Mass:0.338 g   Volume of aluminum foil (cm3)

A: For given aluminum foil we have,  Length:3.55 cm Width:2.55 cm Mass:0.338 g  We know the formula…

Q: Perform the following calculations to the correct number significant figures. (23.4813 x 2.52) +…

A:

Q: 1/s) 10 [A] 0.660 [B] 1.23 105 4.01 1.23

A: To find the forward and backward reaction rate constant and equilibrium constant for the below…

Q: How many cubic feet are there in a room measuring 6m x 10m x 3m?

A: Cubic feet is calculated by measuring the height,width and length.

Q: An optician measures the diameter of her patient's pupil. The diameter is 0.0016m . What is the…

A: Change 0.0016 m to millimeter ?

Q: Express the quantity 33.2 * 10 - 4 m in mm.a) 33.2 mm b) 3.32 mmc) 0.332 mm d) 3.32 * 10 - 6 mm

A: We know that 1 mm = 10-3 m

Q: (12.1 mL)(1.0076 g/mL) -1.05 g.

A: Significant figures of a number in positional notation are digits in the number that are reliable…

Q: which is in th7 place in 115.87

A: The correct answer is given below

Q: 1. Convert 42 tons / year to hectograms /second. 1 ton = 2000 pounds 1 pound = 454 grams 1 year =…

A: We have convert 42 tons/year to hectograms/second

Q: Convert the density of aluminum (2.7 g / ml) to kg / m3. Write the whole procedure.

A: Given : Density of aluminium= 2.7 g/mL The density of aluminium has to be converted into kg/ m3.…

Q: Density of Water Average Density of Water 0.997 g/mL 0.980 g/mL 0.984 g/mL

A: What is the average?

Q: Which piece of equipment would you use to measure 7.10 mL of CuSO4 (aq)?

A: The given information says that about 7.10mL of CuSO4 (aq) has to be measured. The given value is…

Q: How to convert 3.09×10−3 m3.09×10−3 m to the equivalent length in nanometers?

A: Length is measure in diffrent units  Some Basic s units are followings  1) Meter=It  is fundamental…

Q: The SI prefix çenti represents: (A) 0.1 (B) 0.01 (C) 10 (D) 100

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: 1 4 C 7 8 +/- x 10 0 LO

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.