2.39x10^-2=x^2/(0.291-x). Solve for unknown x's

Q: How do I find the scientific notation of 82,000,000 s if the number of signtificant figures is 4?

A: The number given is 82,000,000 s And number of significant figures required in final answer is 4.

Q: What is the volume of a sample if the mass is 167.85g and the density is 1.8g/cm^3?

A: Given :-  Mass of sample = 167.85 g  Density = 1.8 g/cm3  To be calculated :  Volume of sample

Q: Lake Baikal in Siberia is the largest freshwater body on Earth by volume, at 5666 mi What is this…

A: This unit conversion can be done by using following relations: 1 cubic mile( mi3) = 1.472 x 1011 ft3…

Q: Solids Density Lead 11.37 Silver 10.57 Соpper 8.92 Brass 8.90 Nickel 8.57 Iron 7.90 Aluminum 2.67…

A: Given :-  Density of Aluminium = 2.67 Density of Oak = 0.80 Mass of Aluminium = 2g Mass of Oak = 2g

Q: Show how to determine (and then calculate) the volume (in mL) of an iron bar that is 2.150 inches…

A: Volume is the total amount of space that a particular substance occupies.Here we have to calculate…

Q: 2.004, p. 3.746 + log q. 4.876 + log (,0E) = 4.632 X = '1.005 '2.005

A: The solution is given below -

Q: Suppose you are trying to find the volume of a box based on the given measurements for the length,…

A: Here, height is given in two parts as above. Then the addition of two-part values as below…

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: Express the quantity 33.2 × 10−4 m in mm.

A: Given : value of quantity = 33.2×10^-4 m To find :  respective value in mm (millimetres)  Solution :…

Q: (1.00866 – 1.00716) d. 6.02205 x 1023 9.875 x 102 – 9.803 x 10? x 100 = |(100 is exact) 9.875 x 102…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: Convert 9.37×10−3 m9.37×10−3 m to the equivalent length in nanometers.

A:

Q: What is 1/λ (m-1) λ (m) = 4.10288 X 10-7

A: Wavelengthλ is the distance travelled by one comlete wave.It is measured by the distance between two…

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: A concentrated sulfuric acid solution has a density of 1.84 g/cm^3 and contains 95.7% sulfuric acid…

A: Density is related to mass and volumedensity = mass (g)/volume (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: The specific gravity of nitric acid is 1.42 and the density of water at 25 C is 62.4 pounds/cubic…

A: Given: specific gravity of nitric acid =1.42 density of water at 250c= 62.4 pounds/ cubic feet and…

Q: The density (d) of a substance is an intensive property that is defined as the ratio of its mass (m)…

A: Extensive properties are those that depend on the amount of matter present in the substance.…

Q: What is the result of this expression: 3.62 x (22.3 –20.3) /0.6655=

A: The result of the expression has to be given,

Q: You are assigned the task of separating a desired granular materialwith a density of 3.62 g/cm3 from…

A: Given: Density of desired material = 3.62 g/cm3 Density of undesired material = 2.04 g/cm3.

Q: The distance from the earth to the nearest stars is measured in light-years. Convert the distance…

A:

Q: 1-The answer rounded to the correct number of significant figures after    Performing the following…

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

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: 4. Convert 0.0102 lb/in³ (pounds per cubic inch) to mg/mL using dimensional analysis.

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

Q: The density of a pure substance is its mass per unit volume. The density of ethylene glycol has been…

A: given density = 1097 g/L volume = 205 ml

Q: (a) the length of a soccer field, 120. m (three significant figures), to feet ft (b) the height of…

A: since,1 m=3.28 ft1 inch=2.54 cm1 short tons=907.185 kg1 kg=2.2046 lb1 oz=28349.5 mg

Q: ations. Calculate the volume (length x width x height) in units of mm³ (mm x mm x mm) fo large…

A: Volume = length * width* height Length = 254.7 mm Width = 25.3 mm Height= 136.8 mm Volume =…

Q: The specific gravity of a vegetable oil is 0.92. What is the mass, in grams, of 770 mL of vegetable…

A: Given : Specific gravity = 0.92  Volume = 770 ml

Q: The radius of a copper (Cu) atom is roughly 1.3 × 10−10 m. How many times can you divide evenly a…

A: The radius is given as, 1.3 x 10-10 m. The diameter will be 2.6 x 10-10 m. Length of copper piece =…

Q: 1. (8 pts) The density of diamond is 3.51 g/cm'. The international (but non-SI) unit for weighing…

A: This question is based on unit conversion: Density= Mass/Volume 1carat=200mg 1cm=10mm

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

A: The numbers in a given value which are significant to the true value is known as significant…

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: The mass of a piece of metal at 183.4 K was found to be 37.5 grams.  What is the density of the…

A: Given, mass of metal = 37.5 grams.              Volume = 7.2mLThe grams are converted into…

Q: Volume of Water(mL)=100mL Initial temp of water (C)= 21 C degrees Mass of metal(g)=2.9grams Final…

A:

Q: if a plot of weight in g vs volume in ml for a metal gave the equation y=13.41x and R^2= 0.9981 what…

A: Density, mass and volume of a metal are related as:

Q: How many millimeters are there in 2.5 × 1 0 2 km?

A: By the international system of units, kilometer is the unit given for calculating distances or…

Q: The legal limit for chromium in drinking water is 0.10 ppm. What is the maximum permissible mass of…

A:

Q: A tortoise ambles along at 64.6 mm/s. What is this in miles/hr ? Use 1 = 1.609 km in your…

A:

Q: How to put metric equations from longest to shortest. 3*105 cm 5*105 mm 0.007 km 5*1011…

A: Given : Different - different metric equations. To find : order of metric equations from longest to…

Q: With which of the following we can measure 9.7mL, Consider which volume matters the most AND EXPLAIN…

A: Graduated cylinder is actually a beaker type container where a scale is observed by which we can…

Q: Consider this formula. If z = 4.0 and y = 9.2, what is the value of x? Express your answer to the…

A: Any final computation of a result must indicate the extent of reliability to be assigned to result…

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: When Forrest Gump "just felt like runnin", it is estimated he ran 3.0634 x 10 km. Assuming an…

A: We have to find out the day he was running

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: 2.8 x 4.5039 =? what is the result of the operation expressed in significant numbers?

A: Since we know that according to the product rule , the least number of significant figures are…

Q: What is the significance of determining density and specific gravity in pharmacy practice? Support…

A: Density is the compactness of the substance. Higher density makes the substance heavier for the…

Q: Volume: 200 mL  Diameter = 5.45 cm  Height = 9.72 cm Using the equation V= ??2ℎ, calculate the…

A: Formula used :- V = πr2h

Q: A brick of a certain metal has area on top of 3.34 cm x 7.33 cm. lIt has mass 791 g. How high is the…

A: Given that: Area of brick of metal = 3.34cm × 7.33cm Mass of brick = 791 g Density = 11.8 g/cm3…

Q: Gold is alloyed with other metals to increase its hardness in making jewelry. You have a piece of…

A: Given datas –  A piece of gold jewelry weights 21.5 g and has a volume of 1.25 cm3. Density of gold…

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.