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1. A student observes interactions between two sets of electrically charged objects. In each set, the objects
10 answers
asked by
Addelyn
1,586 views
Explain the metal/laundry line which hang droop on a warm day in kinetic molecular model
5 answers
asked by
Ompabaletse
232 views
Please help!
How are acids and protons related? A. The substance with a higher pH has twice as many hydrogen ions per volume of
23 answers
asked by
Anonymous
11,456 views
This is the Final for the semester enjoy and easy 100%:)
1.A person uses a screwdriver to turn a screw and insert it into a piece
16 answers
asked by
Iman Shumpert
3,561 views
Ice melts in the water while remaining at 0 degrees Celsius. Which energy changes occur as it melts? (1 point)
A. The kinetic
4 answers
asked by
Country_Girl_15
962 views
Predicting Changes in Kinetic Energy Quick Check
1. What does an object's kinetic energy depend on? its mass and speed 2. Two
2 answers
asked by
dOrA
301 views
Determine the total resistance of each of the following parallel circuits. (You can calculate the total resistance from the
4 answers
asked by
Jacqulyne
924 views
A man pushes his child in a grocery cart. The total mass of the cart and child is 30.0 kg. If the force of friction on the cart
4 answers
asked by
Anonymous
1,967 views
In an electric freezer, 401.0 g of water at 18.5°C is cooled, frozen, and the ice is chilled to −5.6°C.
(a) What is the
3 answers
asked by
tomi
265 views
where do the forces that make atoms interact come from?
A. From the electric fields of neutral molecules B. From the electric
7 answers
asked by
Country_Girl_15
1,790 views
Gravity and Air Resistance Quick Check
1)It stops accelerating. 2)The greater the object’s surface area, the more air
4 answers
asked by
dOrA
418 views
What are the products of a double replacement reaction between potassium bromide and silver nitrate? Name the resulting
4 answers
asked by
Leon
2,511 views
An isotope of radon gas, Rn-222, undergoes decay with a half-life of 3.8 days. How long does it take for the amount of Rn-222 to
3 answers
asked by
Makaylah
828 views
An 3000-kh car traveling at 70 m/s takes 8 m to stop under full braking. The same car under similar road conditions, traveling
4 answers
asked by
Tiffany
557 views
Which of the following materials conducts heat well?
A. glass B. plastic C. metal D. wood I think it is wood.....?
4 answers
asked by
AdamsCountyGirlllll
1,208 views
Spheres q1 brought closer to q2 until the two spheres touch each other. Q1 placed back in its original position. Calculate the
1 answer
asked by
Reneilwe
470 views
You are given a beaker that contains a mixture of Beads, Salt, Sand, and Iron Fillings. Your jobs is to separate the mixture
2 answers
asked by
Trey
910 views
You are given a beaker that contains a mixture of beads, salt, sand and iron fillings. Your job is to separate the mixture into
4 answers
asked by
Trey
423 views
You are given a beaker that contains a mixture of beads, salt, sand and iron fillings. Your job is to separate the mixture into
3 answers
asked by
Trey
279 views
You are given a beaker that contains a mixture of beads, salt, sand and iron fillings. Your job is to separate the mixture into
1 answer
asked by
Trey
361 views
How many minutes would be required for a 269.0 W immersion heater to heat 292.0 g of water from 16.8°C to 97.4°C?
1 answer
asked by
tomi
288 views
A solar panel is used to collect energy from the Sun and change it into other forms of energy. Which form of energy is collected
3 answers
asked by
Bob
876 views
You use 35 J of energy to move a 7.0 N object. How far did you move it?
3 answers
asked by
Sarayah
832 views
What is the displacement for "A bug walks exactly halfway around the edge of a circular cupcake with a diameter of 5 cm?"
1 answer
asked by
Adrianna
201 views
If you took your weight first at sea level and then on top of a very tall mountain, you would find that your weight:
a decreases
6 answers
asked by
Grant
3,391 views
If you disconnect one bulb on parallel circuit what will happen
1 answer
asked by
Lebo
75 views
Part C Two cyclists start on a race between points A and D on two different routes cyclist takes the route passing through the
1 answer
asked by
Bobby
128 views
Acrostic poem for Nucleus
1 answer
asked by
Jessa
83 views
what is the force exerted by a catcher's glove on a 0.15kg baseball moving at 37m/s that is stopped in 0.02s?
1 answer
asked by
Megan
63 views
You push a 2-kg book with a force of 5N. Find the force of sliding friction on the book if it has an acceleration of 1.0m/s^2.
1 answer
asked by
Megan
67 views
According to the law of conservation of matter, what happens to atoms during a chemical reaction?
4 answers
asked by
Anonymous
218 views
What is the mathematical relationship between force and work? (1 point)
W × d = F W = F × d W = F/d W = F × a
5 answers
asked by
Noir
361 views
Analyzing Gravitational Data Quick Check
1: Earth’s gravity causes both objects to fall at the same rate. 2: Gravitational
4 answers
asked by
dOrA
645 views
How will the stopping distance change if the minibus is carrying 10 passangers?
3 answers
asked by
Nandi
94 views
If you keep a gas's temperature constant, how would you increase the volume of the gas?
1 answer
asked by
Jalen Warren
61 views
Which of the following acids would have the highest electronegativity?
PH3 HCl H2SO4 H2S
1 answer
asked by
Jalen Warren
74 views
What is the major different between the particles in a liquid and a gas of the same substance at the same temperature?
1 answer
asked by
Jalen Warren
115 views
What makes a compound an acid?
1 answer
asked by
Jalen Warren
53 views
What makes a compound a base?
1 answer
asked by
Jalen Warren
53 views
Which best describes solubility?
1 answer
asked by
Jalen Warren
47 views
On the pH scale, a pH of is neutral.
1 answer
asked by
Jalen Warren
77 views
Which state of matter would have the highest kinetic energy?
1 answer
asked by
Jalen Warren
51 views
Factors that Affect Kinetic Energy Quick Check
1. KE=1/2mv^2 2.The comet’s kinetic energy increases. 3. 3,388 J 4. The wagon
4 answers
asked by
dOrA
486 views
Al + O2 → Al2O3
1 answer
asked by
Jalen Warren
58 views
MgO + CaS → MgS + CaO
1 answer
asked by
Jalen Warren
117 views
Mg + O2 → MgO
1 answer
asked by
Jalen Warren
44 views
MgO + CaS → MgS + CaO fill in the blanks?
1 answer
asked by
Jalen Warren
180 views
2 H2O → 2 H2 + O2
1 answer
asked by
Jalen Warren
50 views
2 C2H6 + 7 O2 → 4 CO2
1 answer
asked by
Jalen Warren
47 views
2 Na + Cl2 → 2 NaCl
1 answer
asked by
Jalen Warren
49 views
4 AlBr3 + 3 O2 → 2 Al2O3 + 6 Br2
1 answer
asked by
Jalen Warren
60 views
KCl + NaI → KI + NaCl
1 answer
asked by
Jalen Warren
77 views
When an ice cube melts in your hand, it changes from a solid to a liquid.
H2O (s) → H2O (l) This is an example of
1 answer
asked by
Jalen Warren
97 views
What is the weight of an object with a mass of 20 kilograms on a planet that has an acceleration of gravity of 9.8 m/s^2?
1 answer
asked by
A
88 views
Using Potential and Kinetic Energy Quick Check
1) All objects have potential energy stored in their chemical bonds and will have
4 answers
asked by
dOrA
582 views
Water that vanish out of an open container of the kinetic molecular model
1 answer
asked by
Katlego
57 views
The need for gaps in railway lines in thr kinetic model
3 answers
asked by
Me
76 views
what is the color of copper when it burns in air?
1 answer
asked anonymously
64 views
what is the color of copper when it burns in oxygen
3 answers
asked anonymously
72 views
what is the reactivity of reactions of the copper when it burns with air or oxygen
1 answer
asked anonymously
61 views
what is the color of copper with indicator
1 answer
asked anonymously
53 views
what is the color of the product copper
1 answer
asked anonymously
47 views
what is the conductivity of copper
1 answer
asked anonymously
51 views
what is the conductivity of copper, can it conduct electricity
1 answer
asked anonymously
67 views
what is the color of zinc when it burns in air what is the color of zinc when it burns in oxygen
1 answer
asked anonymously
79 views
what is the reactivity of the reaction of zinc, is it very or little reactive
1 answer
asked anonymously
57 views
what is the color of the product zinc and what is the color of zinc with indicator
1 answer
asked anonymously
78 views
what is the color of the product zinc and what is the color of zinc with indicator (air and oxygen)
1 answer
asked anonymously
73 views
what is the conductivity of zinc (can it conduct electricity)
1 answer
asked anonymously
76 views
what is the color of magnesium when it burns in air what is the color of magnesium when it burns in oxygen
1 answer
asked anonymously
74 views
what is the reactivity of reactions of magnesium, is it very or little reactive?
1 answer
asked anonymously
59 views
what is the product of copper and oxygen
1 answer
asked anonymously
58 views
what is the color of copper
what is the color of copperoxide
1 answer
asked anonymously
45 views
what is the product of zinc and oxygen
1 answer
asked anonymously
45 views
what is the color of copper oxide
what is the color of zinc oxide
1 answer
asked anonymously
63 views
what is the color of the product magnesium oxide
1 answer
asked anonymously
60 views
what is the color of the product magnesium oxide with indicator
3 answers
asked anonymously
67 views
what is the conductivity of magnesium
what is the conductivity of magnesium oxide
1 answer
asked anonymously
61 views
what is the color of lithium when it burns in air?
what is the color of lithium when it burns in oxygen?
3 answers
asked anonymously
78 views
what is the reactivity of the reaction lithium
1 answer
asked anonymously
48 views
what is the color of the product lithium oxide
what is the color of lithium oxide with indicator
1 answer
asked anonymously
81 views
what is the color of lithium oxide
1 answer
asked anonymously
63 views
what is the conductivity of lithium oxide
1 answer
asked anonymously
54 views
what is the color of potassium when it burns in air
1 answer
asked anonymously
65 views
what is the color of potassium when it burns in oxygen
1 answer
asked anonymously
63 views
what is the reactivity of the reaction of potassium and potassium oxide
1 answer
asked anonymously
69 views
Is the the reactivity of the reaction of potassium and potassium oxide very much or very little
1 answer
asked anonymously
57 views
what is the color of the product potassium oxide
1 answer
asked anonymously
60 views
what is the color of potassium oxide with indicator
1 answer
asked anonymously
58 views
what is the conductivity of potassium oxide
1 answer
asked anonymously
61 views
what is the color of iron when it burns in air
1 answer
asked anonymously
64 views
what is the color of iron when it burns in oxygen
1 answer
asked anonymously
74 views
what is the reactivity of the reaction potassium oxide, is it very much reactive or very little reactive?
1 answer
asked anonymously
65 views
what is the reactivity of the reaction potassium oxide, with air and oxygen, is it very much reactive or very little reactive?
1 answer
asked anonymously
78 views
what is the reactivity of the reaction iron oxide, with air and oxygen, is it very much reactive or very little reactive?
1 answer
asked anonymously
62 views
what is the color of the product iron oxide
1 answer
asked anonymously
63 views
what is the color of the product iron oxide with indicator
1 answer
asked anonymously
69 views
what is the conductivity of iron and
what is the conductivity of iron oxide
1 answer
asked anonymously
66 views
what is the conductivity of iron and
what is the conductivity of iron oxide, is it very much or very little
2 answers
asked anonymously
70 views
is the conductivity of iron and the conductivity of iron oxide very much or very little
2 answers
asked anonymously
69 views
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