Convert each number to its standard form. a. 3.4 × 10 8 b. 5.822 × 10 −5 c. 3 × 10 2 d. 6.86 × 10 −8

Q: Convert the following to ordinary decimal numbers 4.995*10^0 8.712*10^1

A: The transformation of scientific notation into corresponding decimal numbers can be done using…

Q: 69.8 in to cm 0.25 mi to in 4.47 in^2 to cm^2 6.0 qt to mL

A:

Q: 532 mi/s2 to cm/hr2

A:

Q: Number

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

Q: Convert 7.5 * 1023 cm to mm.

A: The given expression is as follows: =7.5×1023 =7.5102×102×102 =7959060 cm

Q: Part 2. Significant Figures of log measurements. Perform the following calculations and report each…

A: For calculating the significant figures of log measurements, at first, the number of significant…

Q: Which number is 3 significant digits? A. 1.1100 B. 1.37 C. 0.01 D. 0.005

A: According to the significant rule, If number is greater than 1 in decimal digit, then all number…

Q: 0.009 hm %3D cm 1.0023 dm = hm 0.2203 daL = µL %3D 515 cm = km

A:

Q: Carry out the following conversions: 8.75 mm/s to km/hr 60.0 cm/day to inches per hour (lin=0.0254…

A: A method of converting one unit to another unit is unit conversion. A number used to change one unit…

Q: (d) (4.556 g + 0.020 g)/(11.42 mL - 7.17 mL) = i Units

A:

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: →2 Hg(t) Fe²(aq) → Cu(s) →2 Hg(t) + 2 Cl(aq) - Sn²+ (aq) → H₂(g) → Pb(s) → Sn(s) - Ni(s) → Cd(s)…

A: Form given table  E°fe3+/fe2+ = 0.77 V E°H2O2 = 1.77 Now,  E°cell = E°c - E°a   = 1.77 - 0.77 = 1.00…

Q: 89. The hydrogen atom has a volume of approximately 6.2 x 10-31 m². What is this volume in each…

A: Given data Volume of Hydrogen atom  V=6.2×10-31 m3 We know the following standard conversion 1 meter…

Q: 1. Which area is greater than 100 ft²? A) an 8 ft. × 8 ft. square B) a rectangle with an area of…

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

Q: Perform the calculation, and report the answer to the correct number of significant figures.

A: Perform the calculation, and report the answer to the correct number of significant figures.

Q: An astronaut on the moon places a package on a scale and finds its weight to be 19 N. (a) What…

A: On the moon, acceleration due to gravity is (gmoon)= 1.63m/s2 We know        F= m ×(gmoon)   Given…

Q: The density of lithium metal is 535 kg/m3 . What is this density in g/cm3?a) 0.000535 g/cm3b) 0.535…

A: 1 kilogram=1000 grams 1 meter=100 centimeter

Q: 8. A student determines the density of a substance to be 1400 g/L. What is the % error if the…

A: Here we are required to find the % error in density.

Q: 10−6 ÷1.60×10−19 16.503 − 5.49 −10.012 + 24.67

A: This problem can be soved by applying BODMAS rule which operates the following operation in the…

Q: 6. Convert 6.015km to the following units. Round your answer to 4 sig. a. meters b. miles c.…

A: Given: measurement = 6.015 km a) since 1 km = 1000 m => 6.015 km will be = (1000 m / 1 km) *…

Q: 92.0 m392.0⁢ m3 to liters

A:

Q: (a) How many picometers are there in 1 m? (b) Express6.0 * 103 m using a prefix to replace the power…

A: (a) The conversion of 1m into centimeters (cm) is done as,

Q: Round 12.3456 to 4 significant figures

A: 1.All non zero numbers are counting as significant figures.  2. If right of the last significant…

Q: A person is 1.790 yards tall. How tall is he in cm? 1 yd = 3 ft, 1 in = 2.54 cm O 1.728 cm 4.801 cm…

A:

Q: What type of quantity (length, mass, area, or volume) do each of the following units represent?(a) L…

A: Each quantity has a specific well defined unit.

Q: (5.0 × 104) × (3.0 × 106) =  a. 1.5 x 10^9 b. 1.5 x 10^10 c. 1.5 x 10^11 d. 1.5 x 10^12

A: The calculation given is, => (5.0 × 104 ) × (3.0 × 106)

Q: Densiry table salt is 2.16 g/cm3. Conversion into units of pounds per liter  and density in lb/L

A:

Q: 8) Carry out the following conversions: a) 8.75 mm/s to km/hr b) 60.0 cm/day to inches per hour…

A: To carry the following conversions one must know the direct relationship between the given units,

Q: Convert 76.0 uL to milliliters. Convert 76.0 pL to hectoliters. Convert 76.0 µL to cubic centimeters…

A: This unis conversion can e done by using following relations: 1 micro-liter = 10-3 milliliter = 10-3…

Q: A person contains 7L of blood. Blood is composed of 55 percent plasma and 45 percent blood cells by…

A: Given, A person's body has 7L blood. Blood plasma - 55 %. Blood cells - 45 %. Density of blood…

Q: A slow jogger runs a mile in 13 min. Calculate thespeed in (a) in/s, (b) m/min, (c) km/h (1 mi =…

A: Speed is defined as distance travelled per unit time. Speed = DistanceTime   Now, a jogger runs 1…

Q: What is correct from multiple choice

A: Given: Density of copper= 8.92 g/mL Volume= 10.00 mL

Q: Compare: number of plates, N W₁ = 2.5; W₁l = 3.0 I 0.18 0.16 0.14 0.12 0.1 11 0.08 0.06 0.04 0.02 0…

A: No of plates = N = 5.54 * (Retention Time / Half of base width)2

Q: A car’s rate of fuel consumption is often measured in miles per gallon (mpg). Determine the…

A: Density is defined as the mass per unit volume. It is represented by rho . It’s relation with mass…

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: convert 430km to m convert 0.00605 TL to L convert 3500 g to dg convert 0.000725 mg to cg…

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: 11. 22.4 kg/L to dag/mL 12. 0.74 miles/min to dm/sec 13. 1.42 g/cm to mg/mm? 14. 10095 ft/s to…

A:

Q: 7. 12.0 g of the substance that has a density of 1.50 g/cm³ has a volume of А. 18.0 сm? В. 13.5 cm?…

A: Mass of substance = 12 g Density of substance = 1.5 g/cm3

Q: 8) Carry out the following conversions: a) 8.75 mm/s to km/hr b) 60.0 cm/day to inches per hour…

A: Quantities can be converted from one unit to another unit by means of the relation between the two…

Q: The speed of light in a vacuum is 2.998×108 m/s. Calculate its speed in miles per hour (miles/h).

A: Meter and miles are some common units of distance. Similarly, hours and seconds are units of time.…

Q: 7. 112 liters (L) to cups (c.) %3D 8. .0300 kilometers (Km) to inches (in.) %D

A: (7) We know that -  1 L = 1000 mL 1 cup = 236.588 mL    Then -  => 112 litres = (112 L) × (1000…

Q: _1.) 68.3 cm³ to pm3 _2.) 28.3 µg to Ibs 3.) 62 m/s to miles per hour (mph) _4.) 2.70 mg/L to g/cm3…

A: Note: As per our guidelines, we are supposed to answer only three subparts when multiple subparts…

Q: A person measures the velocity of a biker riding in a straight line along a sidewalk using a…

A: A question based on dimensional analysis, which is to be accomplished.

Q: Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 +…

A: Significant figures are the figures that are necessary to indicate quantity of something.

Q: 13. 1.22 x 10 ounces (oz.) to kilograms %3D %3D 14. 0.00340 meters (m) to centimeterS (cI %3D %3D

A: One unit is converted into other unit by using a  multiplicative factor to it .

Q: 3). Convert: 44.1 ° C to K 4). Convert: 7.91 × 10^-4 Gm to m 5). Convert: 0.665 Mg to g

A:

Q: Consider the operation below. (0.523) (1.2161 -0.99) + (2.648) (84 - 81.98) 0.87 How many…

A: The given operation has both addition/subtraction and multiplication/division. In…

Q: A. Type the number 1340000 in scientific notation. B. Type the number 0.000354 in scientific…

A: Number written in smallest form is known as scientific notation. Extended form is known as standard…

Q: a. An ice cube measures 4.40 cm on each edge and weighs 77.688 g. Calculate the density of ice.…

A: The mass per unit volume of a substance is known as the density of the substance. The density of 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.