A water molecule is shown schematically in the figure (Figure 1). The distance from the center of the oxygen atom to the center of a hydrogen atom is 0.96 Å, and the angle between the hydrogen atoms is 104.5 ∘. Find the center-to-center distance between the hydrogen atoms. (1Å=10−10m). r = ? Å

Q: A typical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 9.000…

A: (a) Total Volume  V = 4/3*pi*r^3 = 4/3*pi*(12 um) ^3 = 7238.23 um^3

Q: Q4: Find the fraction that is equivalent to the following repeating decimal 0.576923076923076923 .…

A: The given decimal number is  x = 0.576923076923076923 To find = fraction

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: Calculate the value of the error with one decimal place for the multiplication of x and y: z=xxy…

A:

Q: But where do you derive the equation E=(K|q|)/r?  My book says E=(K|q|)/r^2.

A: According to general equation of electric field ,  E = kQr2

Q: For the graph of vx versus t shown, estimate the following: i) What is the slope of the tangent line…

A: The above problem can be solved in two different ways. The first method using the two-point formula…

Q: An astronomical unit (AU) is equal to the average distance from Earth to the Sun, about 92.9 × 106…

A: The smaller unit of distance is meter, millimeter, micrometer, nanometer, picometer, etc. The larger…

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A:

Q: Cube A is 2 inches on a side. Cube B is 8 inches on a side. Determine the following: 1. The volume…

A: 1. volume of cube:we know that,volume=side3VA=23=8 in3VB=83=521 in3

Q: Two vectors lying in the x-y plane are defined by their magnitudes and direction angles, as shown in…

A:

Q: A closed water tank has the form of a cuboid with a square base with sides of length x  and a height…

A:

Q: Part B is wrong FA=(2mw(L−x)+mbL)g/2L is the formula but I'm unsure which numbers to plug in where.

A:

Q: The satellite is moved into a new orbital radius R2 from R. R2 is greater than R. Compare the…

A: we have R2>R

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A: Buoyant Force is given by FB = ρgV FB is Buoyant Force which has dimensions [MLT−2] where ρ is…

Q: On planet Z, the standard unit of length is the foose. Ann the Astronaut is 5.2 feet tall on Earth.…

A: Given Height of Ann on Earth is HAnn, earth=5.2 ft Height of Ann on planet Z is HAnn, Z=88 foosi…

Q: In the figure here, a small, solid, uniform ball is to be shot from point P so that it rolls…

A:

Q: 2. The density of pure solid copper is 8.93 grams per milliliter. What volume does 7 kilograms of…

A:

Q: A Texas rancher wants to fence off his four-sided plot of flat land. He measures the first three…

A:

Q: Volume (ml) Pression (kPa) 1/Pression (kPa") 20 96.6826 18 105.9603 16 115.7262 14 127.4453 12…

A: V(ml) Pression(kPa) 1/Pression(kPa-1) Constant k PV (l.Pa) 20 96.6826 0.010343…

Q: Part B: Adora needs to find the area of a table top. She measures the table width to be 0.8673m and…

A: Given data The measured table width is w = 0.8673 m. The measured table length is l = 1.405 m.\ The…

Q: The table data: 15 1.75 13 1.63 11 1.5 9 1.35 7 1.19 5 1.01 3 0.78 A. Graph these data B. Describe…

A: Graph:

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: UPS ships a lot of boxes. There are different ways to measure how big is a box. For the following…

A: Given Dimensions of box 1 is 18"×24"×12"  weigh of box 1 is 7.7 lbsDimensions of box 2 is 24"×36"×6"…

Q: State the number of significant digits and the implied precision of the given number. The number…

A: Given number is, 1.928x104

Q: Problem 1. The standard kilogram used to be a platinum-iridium cylinder 39.0 mm in height and 39.0…

A: Given data: Mass (m) = 1 kg Height (h) = 39.0 mm Diameter (d) = 39.0 mm Required: The density of the…

Q: In the diagram below there is a thick-walled cylindrical tube. Its height is H 5.0 m, its inner…

A: a)

Q: The sides of a small rectangular box are measured to be (1.90 ± 0.01) cm, (2.00 ± 0.02) cm, and (3.1…

A: Given the measurements with uncertainties:Length (l):  (1.90±0.01) cmBreadth (b): (2.00±0.02)…

Q: 6. A rectangular box has dimensions 2 m x 4 m in the x-y plane, and 2 m x 8 m in the y-z plane. If…

A: Given, A rectangular box has dimensions 2m×4m in the xy -plane and 2m×8m  in the yz plane.

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.