09/21/20

Chemistry homework help!!
How many mililiters of 0.130 M HCL are needed to completely neutralize 58.0 mL of 0.109 M Ba(OH)2 solution? Express the volume in mililiters to three significant digits.2.How many militers of... more
Follows • 0
Expert Answers •1

09/16/20

I got a physics question.
A person throws a baseball from a height of 7 feet with and initial vertical velocity of 50 feet per second. Use the vertical motion model, h=-16t2+vt+s , where v is the initial velocity in feet... more
Follows • 0
Expert Answers •1

09/16/20

HELPHELPHELP!!!
|x+2|+|x−5|+|x−1|=12 
Follows • 1
Expert Answers •1

09/16/20

A hydraulic lift raises a 1.0 × 104 N car on a 0.30 m2 piston. If the compressor piston has an area of 0.015 m2 , what minimum force is needed to lift the car?
Follows • 1
Expert Answers •1

09/16/20

Can't find answer to question
A constant 34.9-N force acts at an angle of 137° with respect to the +x-axis on an object with mass 149 kg. If the object starts at the origin and is initially motionless, what are the x-... more
Follows • 1
Expert Answers •1

09/16/20

How to solve this question, the steps at least?
The density of a solution of nitric acid is 1.072 g/cc, and it is 13.00 percent by mass. What volume ofthe solution (in milliliters) do you need to supply 48.0 g of nitric acid?
Follows • 0
Expert Answers •1

09/16/20

Force from multiple charges (electric forces) question
Particles q1, q2, and q3 are in a straight line. Particles q1= -5.00x10^-6C, q2= -5.00x10^-6C, and q3= -5.00x10^-6C. Particles q1 and q2 are separated by 0.500m. Particles q2 and q3 are separated... more
Follows • 1
Expert Answers •1

09/16/20

1d kinematics dog,cat
A dog is running toward a cat that is 1.5 m away. Initially at rest, the cat sees the dog running toward her and accelerates away from the dog at 0.85 m/s/s directly toward a small pet door that is... more
Follows • 1
Expert Answers •1

09/15/20

Chemistry Species and Bond Angles
Hello, if someone may help me solve this question on which has a smaller bond angle as shown in the picture below. I don't have enough information to solve this, it would be greatly appreciated if... more
Follows • 1
Expert Answers •1

09/15/20

What is the name of the hydrate from their formula
Ba(OH)2 x H2O is the equation
Follows • 1
Expert Answers •1

09/15/20

At a given moment, a plane passes directly above a radar station at an altitude of 8 km going 600 km/h. How fast is the distance between the plane and the radar station changing 36 seconds later?

I have all the grunt work of this problem done, I found the derivative, I just don't understand how to solve for x. I know it has something to do with a proportion to an hour, but I can't figure it... more
Follows • 1
Expert Answers •1

09/15/20

shell method in calculus
Use the Shell Method to compute the volume of a solid obtained by rotating the region enclosed by the graphs of the functions y=x^2, y=32-x^2 and x=1 about the y-axis.
Follows • 1
Expert Answers •1

09/15/20

Suppose the profit from the sale of x units of a product is P = 6400x − 18x2 − 400. (a) What level(s) of production will yield a profit of $396,400?
Follows • 1
Expert Answers •1

09/14/20

A focus group is made up of 10 males and 6 females. Half of the males have college degrees.What is the probability that the member is a male with a college degree?
Follows • 0
Expert Answers •2

09/14/20

Chemistry Limiting Reactant and Theoretical Yield

If someone may help me with this problem attacked below, I can't seem to figure it out and its taking some time, please and thanks.
Follows • 1
Expert Answers •1

09/14/20

Floating cylinder
A cylinder can of mass 3kg and the diameter 5 times greater than height is floating with 1/3 part of its volume inside the water. a) find the diameter of this can b) what minimum work is required... more
Follows • 1
Expert Answers •1

09/14/20

Determine if the limit statement is true or false.
The limit of f(x) = 6, as x approaches 15. The limit of g(x) = 15, as x approaches 15. Therefore the limit as x approaches 5 is f(x)/g(x)
Follows • 1
Expert Answers •1

09/13/20

expected value probability
You are selling security insurance services to a small business, and wish to know how to price your policy. In particular, you will reimburse the client for the costs of any attack that... more
Follows • 1
Expert Answers •1

09/10/20

List the kinetic energy in order from LARGEST to SMALLEST.

List the kinetic energy in order from LARGEST to SMALLEST. A. 10 m/s 90 kgB. 5 m/s 110 kgC. 2 m/s 700 kg
Follows • 1
Expert Answers •1

09/10/20

caffeine concentration
If the caffeine concentration in a particular brand of soda is  drinking how many cans of soda would be lethal? Assume that 10.0 g of caffeine is a lethal dose, and there are 12 oz in a can.
Follows • 1
Expert Answers •1

09/09/20

Methanol can be produced by the following reaction: CO(g) + 2 H2(g) → CH3OH(g)
with the rate of reaction = (Δ[CH3OH]) ÷ (Δt). If the rate of the reaction is written using the concentration of hydrogen the rate of the reaction = ___.A) -1/2* (Δ[H2]/Δt)B) +2* (Δ[H2]/Δt)C) +... more
Follows • 2
Expert Answers •2

09/08/20

Velocity physics help
A boy throws a ball up in the air with a velocity of 7 m/s when they are standing at the edge of a cliff 20 m high. If the ball falls and lands at the base of the cliff, what is the velocity of the... more
Follows • 1
Expert Answers •1

09/08/20

Wave Phenomenon
When we were talking about variations in waves in the same medium, the _________________ is a constant. Therefore, _______________ varies inversely with ________________. When we are talking about... more
Follows • 1
Expert Answers •1

09/07/20

Trigonometry|Precalculus
D(t) models the distance (in thousands of km) from the earth to the Moon t days after the moon's perigee (when it's closest to the earth). Here, t is entered in radians.D(t) = −21cos (2π​/29.5 t) +... more
Follows • 1
Expert Answers •3

09/06/20

Express your answer to two significant figures and include the appropriate units.
The density of liquid oxygen at its boiling point is 1.14 kg/L , and its heat of vaporization is 213 kJ/kg .How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized?
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.