6. In the reaction C+02 → C02, 18 g of carbon react with oxygen to produce 72 g of carbon
dioxide. What mass of oxygen would be needed in the reaction?
O 18 g
54 g
072 g
90 g
Answer:
I think ur answer might be 54 g
As 72-18=54
Hope this helps....
Students are playing tug-of-war. Which of these would cause the rope to move to the right?
A. A net force that points to the right
B. Balanced forces
C. A net force that points to the left
D. A net force of 0
Answer:
A, a net force that points to the right
Explanation:
This would make it move to the right because the net force would be above 0, and moving to the right.
Answer:
A net force that points to the right.
Explanation:
Look at the question, then use common sense while looking at the answers. Don't overthink it to much.
This is correct on a-p-e-x
What is the correct definition of an element?
help pls pls i give reward
Answer:
B
Explanation:
There is no new substances formed in choice B
Answer:
the answer is B. boiling of water, bursting of a balloon, crumpling a piece of paper.
All atoms of an element have the same number of__But within the same element there may exist atoms that have__numbers of__.Atoms that have the same number of protons but different numbers of neutrons are called__.The neutrons are located in the__ along with protons.
Isotopes can occur__or they may be__. All__are isotopes. Isotopes are written by using the__ of the element, followed by a__
and the s of the protons and neutrons.
1
Atoms of the same element can have different numbers of neutrons, however. Atoms of the same element (i.e., atoms with the same number of protons) with different numbers of neutrons are called isotopes. Most naturally occurring elements exist as isotopes...
THIS IS THE ANSWER
As an object is heated, the amount of energy radiated at all wavelengths increases,
but the wavelength of maximum emission
m
is shifted to longer wavelengths
is shifted to shorter wavelengths
O remains constant
none of these answers are correct
: I'm sorry it won't let me exit so
Give at least three examples of energy and explain why they have energy.
Answer:
plants because of photosynthesis humans because of food and the energy causing cells in it and batteries or solar panels because of the sun.
Explanation:
A student is sitting in a moving car. Through the car's window, the student sees a traffic
light at an intersection pass by and out of sight as the car travels down the road.
Which statement accurately describes the student's motion?
• The student is moving relative to the car’s window but not to the traffic light.
• The student is moving relative to the traffic light but not to the car’s window.
• The student is moving relative to both the car’s window and traffic light.
• The student is moving relative to neither the car’s window nor the traffic light.
Answer:
I believe it would be the first one "The student is moving relative to the cars window bunt not to the traffic light".
Explanation:
be cause he would be in the car so he would be moving with the car
What what are the si units for average speed?
Answer:
m/s
Explanation:
Position/Displacement is measured in meters (m).
Velocity is measured in meters per second (m/s).
Acceleration is measured in meters per second squared (m/s²).
Mr. Linnartz climbs a vertical distance of 100 meters in 20 seconds. If his weight is 990 newtons what is the power he has exerted?
Answer:
4950W
Explanation:
Given parameters:
Height = 100m
Time = 20s
Weight = 990N
Unknown:
Power = ?
Solution:
Power is the rate at which work is done.
Power = [tex]\frac{Work done }{time }[/tex]
Workdone = Force x distance
Input the parameter and solve for the workdone;
Workdone = 990 x 100 = 99000J
Now;
Power = [tex]\frac{99000}{20}[/tex] = 4950W
How can you explain the changes in the state of matter?
Answer:
Condensation – a change of state from a gas to a liquid.
Freezing- a change of state from a liquid to a solid.
Boiling/Evaporation - a change of state from a liquid to a gas.
Deposition - a change of state from a gas directly to a solid.
Sublimation - a change of state from a solid directly to a gas.
These were a part of my notes, hope they help!
Explanation:
a force of 250N is applied to an object that accelerates at a rate of 5 m/s^2. what is the mass of the object.
Answer:
The answer is 50 kgExplanation:
The mass of the object can be found by using the formula
[tex]m = \frac{f}{a} \\ [/tex]
where
f is the force
a is the acceleration
We have
[tex]m = \frac{250}{5} \\ [/tex]
We have the final answer as
50 kgHope this helps you
A golfer drives her golf ball from the tee down the fairway in a high arcing shot. When the ball is at the highest point of its flight
a) the velocity and acceleration are both zero
b), The x-velocity is zero and thе y-velocity is zero
c) the x-velocity is non-zero, but the y-velocity is zero
d) thе velocity iѕ non- zero, but the acceleration is zero
Answer:
Correct Choice: c)
Explanation:
When an object is launched with an angle with respect to the horizontal, it describes a curved path exclusively under the action of gravity.
The velocity at any point of the path has two components:
The horizontal component has a constant value because no acceleration acts in that direction.
The vertical component has a variable value that depends on the acceleration of gravity and the time.
When the golfer drives the golf ball in a high arcing shot it reaches a maximum height and then returns to the ground.
a) The velocity is never zero until the ball hits the ground. The acceleration is never zero. False
b) The x-velocity is constant and equal to the horizontal component of the initial velocity. The y-velocity is zero at the highest point. Only one condition is true, thus the whole statement is False.
c) The x-velocity is never zero, and the y-velocity is zero as explained above. True
d) The velocity is non-zero, and the acceleration is not zero. False
Its velocity as well as acceleration are both non-zero.
This seems to be attributable to the reality that towards the maximum height, just the vertical dimension of that though velocity approaches zero. These same horizontal parts are already in play. As a result, the velocity would be non-zero.Gravity's acceleration would operate upon that ball, hence the acceleration will then be non-zero.As a result, the aforementioned response is correct.
Learn more about velocity here:
https://brainly.com/question/14352334
an eagle flew for 3 hours at 115km/h and 5 hours at 136 km/h. how far did the eagle fly?
Answer:
1025meter
Explanation:Distance is speed times time.so 3hx115km/h=345km
5hx136km/h=680km
345km+680km=1025km
Answer:
1025
Explanation:
Which online note-taking tool allows students to post notes to their desktop for visual cues?
Answer:
Sticky notes
Explanation:
got it right on edgeuity quiz
Answer:
Sticky Notes
Explanation:
Convert 315.75 grams to kilograms
Answer: 0.31575
Explanation:
Which of the following is NOT a major factor in understanding climate?
a water
b clouds
c mountains
d altitude
Answer:
The Answer is CExplanation:
Bc its not part of a Question and you can know now The mountains is not right and climesand this much be the answer i dont know tho so this got to be Its ok now b yc. mountains is not a major factor in understanding climate.
Water is a major factor which can affect the climatic condition the high water content in the atmosphere is responsible for rain where as low or less content in atmosphere makes the climate hot and dry. Clouds when are dense cause rain and when there are few clouds and less denser then it is indicative of a hot day. Places situated on high altitude have cool climate as compared to the places located on plains.Mountains do not affect the climatic condition of a region. Instead the altitude with which the mountain is associated will help in understanding the climatic condition.Hence, c. mountain is the correct option.
Learn more about mountain:
https://brainly.com/question/10690247
A32 kgobiert has a momentum of 480 kgm/s northward. What is the
objects veloste
A. 15 mis
B. 15,360 m/s
C. 443 m/s
D. 0067 ms
calculate the area of the brick if the pressure is 180pa and the force 80N
Answer:
A = 0.44 [m^2]
Explanation:
To solve this problem we must remember that pressure is defined as the relationship between Force and area, so we have the following equation:
P = F/A
where:
P = pressure = 180 [pa]
F = force = 80 [N]
A = area [m^2]
Now replacing and solving:
180 = 80/A
A = 80/180
A = 0.44 [m^2]
Calculate the electrostatic force between a negatively charged PVC pipe (m = 300 g, q = -0.0000007 C) and a positively charged sweater (m = 650 g, q = 0.0000009 C) when they are held 6 cm apart (the centers of their charges are 6 cm apart). Your answer should include the magnitude of the force and clearly state whether they would be pushing or pulling each other with that amount force.
Answer:
1.575 N
Explanation:
Given that,
Charge on a PVC pipe, q₁ = -0.0000007 C
Charge on a positively charged sweater, q₂ = 0.0000009 C
Separation between charges, d = 6 cm = 0.06 m
We need to find the magnitude of the force between charges. The force between two charges is given by :
[tex]F=\dfrac{kq_1q_2}{r^2}\\\\F=\dfrac{9\times 10^9\times 0.0000007 \times 0.0000009 }{(0.06)^2}\\\\F=1.575\ N[/tex]
So, the electrostatic force has a magnitude of 1.575 N.
Acceleration is caused by a force acting on a mass.
Answer:
Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Explanation:
ples give a crown
How fast was the storm that hit Galveston and how men died?
Answer:
The storm was a category 4 hurricane that struck Galveston, Texas, on September 8, 1900, bringing winds of 130 miles (210 km) per hour and high tides that overwhelmed the low-lying coastal city, demolishing buildings and claiming more than 8,000 lives.
00p- now I can actually answer :)
Hope that I helped you a little :0
when the bonded elements have a difference in electronegativity greater than 1.5 to 1.7. Subtract the electronegativities for the following pairs of elements and predict whether they
form ionic bonds
Electronegativity difference of F and Cl?
Yes or no? What’s the electronegative difference?
Answer:
1.0
No
Explanation:
Answer:
| 1.0
|
|
| No
Explanation:
How much force is used to lift a 42 kg object at a constant velocity? Why?
Answer:
equal to its weight which is 42x9.8
Explanation:
What is Otter's average velocity over his entire trip when it takes him 2 minutes to walk 100 meters north and another 1 minute to walk 70 meters south?Express your answer using the proper SI units. Round your answer to two decimal places, and include a direction if necessary.
Answer:
0.50m/s
Explanation:
Average velocity is the change in displacement of a body with respect to time.
Velocity = ∆S/∆t
∆S = 100m - 70m
∆S = 30m
∆t = 2min - 1 min
∆t = 1min = 60secs
Substitute the given parameters into the formula for velocity
Velocity = 30m/60s
Velocity = 1/2 m/s
Average Velocity = 0.5m/s
The number of protons in an atom is that element’s __________________ number.
PLEASE HELP
Answer:
Explanation:
atomic number
What is the frist thing you should do when making an individual decision
In ionic bonding , atoms _____
Answer:
atom is formed by sharing
Explanation:
Answer:
sharing or transferring
Which element can join with other elements to form covalent bonds?
A. beryllium (Be)
B. carbon (C)
C. cesium (Cs)
D. iron (Fe)
Answer:
B: Carbon (C)
Explanation:
Carbon is the only nonmetal there and covalent bonds happen between two nonmetal atoms.
(01.06 LC)
Which factor can decrease the kinetic energy of an object?
Decrease in volume
Decrease in speed
Increase in temperature
Increase in speed
Previous
Answer:
*Decreasing an object's velocity can increase kinetic energy. *Increasing an object's velocity can decrease kinetic energy. *The velocity of an object has no effect on kinetic energy.
ExplanIf the temperature is increased, the average speed and kinetic energy of the gas molecules increase. If the volume is held constant, the increased speed of the gas molecules results in more frequent and more forceful collisions with the walls of the container, therefore increasing the pressure (Figure 1).