Question

One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen. A hydrogen atom has a mass of 1.0 u and an atom of oxygen has a mass of 16 u, approximately. (a) What is the mass of one molecule of water? (b) How many molecules of water are in the world's oceans, which have an estimated total mass of 1.4 × 1021 kg?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Units and Dimensions

Related Physics Q&A

Find answers to questions asked by students like you.

Q: Only one of the following statements about an object executing simple harmonic motion is true. Tell ...

A: Simple harmonic motion is described as,

Q: In the figure, a climber with a weight of 440 N is held by a belay rope connected to her climbing ha...

A: From the figure all the forces acting can be shown and according to Newtons second law,

Q: the x and y components of a vector in a horizontal plane are 4.00 m and 3.00 m, repectively. (a) wha...

A: The x-component of the vector is 4.00 m and the y-component of the vector is 3.00 m. 

Q: A 2.41 kg the ball is attached to an unknown spring and allowed to oscillate. The figure (Figure 1) ...

A: a)The time period of the motion is,

Q: An alternating source drives a series RLC circuit with an emf amplitude of 6.24 V, at a phase angle ...

A: Write the expression for the resultant emf.

Q: On May 26, 1934, a streamlined, stainless steel diesel train called the Zephyr set the world's nonst...

A: Given that the total distance covered by the train is 1633.8km, and the time taken for the journey i...

Q: A rock is kicked horizontally at a speed of 16 m/s from the edge of a cliff. The rock strikes the gr...

A: To determine: The time of flight of the rock.Given information: The horizontal speed of the rock is ...

Q: What is the magnitude of the force on 2 meters of wire carrying 0.5 A of current at an angle of 37 d...

A: Force on the wire is,

Q: The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 11.0 N ...

A: Given:A body pivoted at point O.Some forces are acting on the body.  We have to find the net torque ...

Q: A 500-kg cannon fires a 4.0-kg projectile with a velocity of 500 m/s relative to the ground. What is...

A: According to the law of conservation of momentum,

Q: The hydrogen atom consists of a proton of mass 1.67 × 10-27 kg and an orbiting electron of mass 9.11...

A: The equation for the gravitational force is given by

Q: What is the wavelength of a radio wave of frequency 101.1 MHz(one of the frequencies in the FM band)

A: The wavelength of a wave of particular frequency can be calculated using following equation.

Q: 127 CHAPTER 3 tom of the tank when the elevator is (a) stationary, (b) mov- ing up with an upward ac...

A: (i) Consider the figure when water tank is in stationary elevator.Here, h is the height of this liqu...

Q: In the figure find the equivalent capacitance of the combination. Assume that C1 = 11.1 µF, C2 = 5.8...

A: To find the equivalent resistance, split the combination into two. Considering the capacitors, C1 an...

Q: A child is riding a merry-go-round which completes one revolution every 8.36 s. The child is standin...

A: Speed of the child is,

Q: A man stands on a platform that is rotating (without friction) with an angular speed of 1.39 rev/s; ...

A: a) The law of conservation of angular momentum can be applied to the given situation. Let the initia...

Q: In the figure, horizontal scaffold 2, with uniform mass m2 = 29 kg and length L2 = 2.3 m, hangs from...

A: The expression from the moment of force applied at the point A is,Here, m1 is the mass of the first,...

Q: A ball is thrown upward from the top of a 24.2 m tall building. The ball's initial speed is 12 m/s. ...

A: Taking sign of motion in the upward direction as positive.Given,

Q: Chapter 22, Problem 032 Your answer is partially correct. Try again. In the figure positive charge q...

A: (a) Due to the symmetry, the x-component of the electric field as a point lying on the perpendicular...

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box the su...

A: The mass of the box=55kg.The coefficient of static friction =0.30.The coefficient of kinetic frictio...

Q: Chapter 27, Problem 007 from A wire of resistance 5.1 Ω is connected to a battery whose emf ε is 4.0...

A: Given: R = 5.1 ohmr = 0.69 ohmemf = 4 Vt = 2.1 min = 2.1 × 60 = 126 secondsFind: (a) The energy tran...

Q: Suppose that a parallel-plate capacitor has circular plates with radius R = 41 mm and a plate separa...

A: GivenRadius of the plates R = 41 mm = 0.041 mSeparation distance d = 5.7 mm = 0.0057 mMaximum voltag...

Q: An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the rig...

A: Given weight of the object =75 NWeight = mg =75Mass of the object = 75/g = 75/9.8  = 7.653 kg.Pullin...

Q: A 600.00 N ballast is hung from the end of a wire of cross-sectional area 0.0000010 m^2. The wire st...

A: a)The stress on the wire is,

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has...

A: Given,

Q: n the figure, a nonuniform bar is suspended at rest in a horizontal position by two massless cords a...

A: The expression for the vertical and horizontal component of force,

Q: You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart ...

A: The direction of displacement of cart will be in the horizontal direction. Take the component of for...

Q: Three point-like charges are placed at the corners of a square as shown in the figure, 40.0 cm on ea...

A: The distance between the charges q1 and q3 is equal to the length of the length of the diagonal of t...

Q: All people come very close to being able to float in water. What therefore is the volume (in cubic m...

A: When the body is floating the weight of the body is equal to the buoyant force. The buoyant force is...

Q: n an Atwoods Machine lab with m1-.l and 2o.13 0bserved acceltraton is 120 mist. Compare the value wi...

A: An Atwood machine is used to demonstrate dynamics where two objects of masses m1 and m2 are connecte...

Q: Add 4476 g and 34.0 kg and express  your answer in miligrams (mg)

A: Given information: The given masses are 4476 g and 34.0 kg.To determine: The sum of the masses in mi...

Q: one way to tell if a mosquito is about to sting is to listen for the doppler shift as the mosquito i...

A: The frequency of the source=1050Hz.The frequency heard by the listener =1034Hz. (a)Since the frequen...

Q: The magnitude J of the current density in a certain wire with a circular cross section of radius R =...

A: GivenCurrent Density J = (3.18 x 108)r2Radius R = 2.21 x 10-3 mSolutionThe current through the outer...

Q: A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground a...

A: The speed of the ball just before it strikes a ground can be calculated in given steps.Given:

Q: In the figure, four long straight wires are perpendicular to the page, and their cross sections form...

A: According to question, four long wires perpendicular to the page have the same magnitude of current ...

Q: Partl L (Vibrating length) 2.49 [m] Mass of string Hanging mass on the string 0.250 [kg] Total Lengt...

A: The various parameters are as follows:L (Vibrating length)              = 2.49 [m]Mass of string    ...

Q: The figure below shows three charges at the corners of a rectangle of length x = 0.65 m and height y...

A: Write the expression for the distance between charges +2.7micro Coulomb and -3.3 micro Coulomb.

Q: In the figure, one end of a uniform beam of weight 460 N is hinged to a wall; the other end is suppo...

A: a)The expression for the tension in the wire,

Q: Can you produce current from a magnet and vice versa?

A: Michel Faraday’s experiments on a magnet and a loop of wire explained the relation between electrici...

Q: The magnitude J of the current density in a certain wire with a circular cross section of radius R =...

A: Current through the outer section is given by,

Q: The moment of inertia of a uniform rod (about its center) is given by I = ML2/12. What is the kineti...

A: The expression for the kinetic energy,

Q: A horizontal platform in the shape of a circular disk rotates on a frictionless bearing about a vert...

A: The expression from conservation of angular momentum,

Q: A carpenter measures the wood to fabricated kitchen cabinets. What would you expect are the systemat...

A: Assume that carpenter use a tape to measure the wood.Systematic errors are the errors which occur on...

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of ...

A: Since we only answer up to 3 sub-parts, we will answer the first 3. Please resubmit the question and...

Q: Two rods of equal lengths (1.40 m) are moving as shown in the figure. The speed v1 = 2.00 m/s and th...

A: GivenLength of the rods L = 1.40 mSpeed of the rodsv1 = 2.00 m/sV2 = 1.10 m/sMagnetic field B = 0.45...

Q: A student, starting from rest, slides down a water slide. On the way down, a kinetic frictional forc...

A: Using the law of conservation of energy,

Q: Find the components of the vector A⃗  with length a = 1.00 and angle α=20.0 ∘ with respect to the x ...

A: The equation for the magnitude of the x component of the vector is given by

Q: a parachutist jumping from an airplane reaches a terminal velocity when the force of air resistance ...

A: Given that the parachutist reaches a terminal velocity when the force of air resistance is 980N. Whe...

Q: A car goes around a curve with a radius of 120 m. The car goes through an angle of 60 degrees at a c...

A: (a) The distance covered by the car around a circle of radius r=120m, as it goes through an angle of...

Q: The cannon on a battleship can fire a shell a maximum distance of 36.0 km.   (a) Calculate the initi...

A: Given:The maximum distance upto which the shell can be fired from the canon aboard a battleship is, ...