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Jalen Warren
Questions and answers by visitors named
Jalen Warren
Questions (67)
If you keep a gas's temperature constant, how would you increase the volume of the gas?
1 answer
65 views
Which of the following acids would have the highest electronegativity?
PH3 HCl H2SO4 H2S
1 answer
86 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
120 views
What makes a compound an acid?
1 answer
58 views
What makes a compound a base?
1 answer
61 views
Which best describes solubility?
1 answer
52 views
On the pH scale, a pH of is neutral.
1 answer
88 views
Which state of matter would have the highest kinetic energy?
1 answer
56 views
Which line from the story does NOT support the idea that Jillian is upset about being unable to play basketball due to her
3 answers
163 views
Al + O2 → Al2O3
1 answer
68 views
MgO + CaS → MgS + CaO
1 answer
123 views
Mg + O2 → MgO
1 answer
55 views
MgO + CaS → MgS + CaO fill in the blanks?
1 answer
196 views
2 H2O → 2 H2 + O2
1 answer
60 views
2 C2H6 + 7 O2 → 4 CO2
1 answer
51 views
2 Na + Cl2 → 2 NaCl
1 answer
61 views
4 AlBr3 + 3 O2 → 2 Al2O3 + 6 Br2
1 answer
66 views
KCl + NaI → KI + NaCl
1 answer
86 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
108 views
A triangle with sides 10, 24, and 25 is a right triangle
2 answers
51 views
x=x0+v0t+12at2
1 answer
50 views
Balance the following the chemical equation:
_ Mg + _ F2 → _ MgF2
1 answer
113 views
Balance the following the chemical equation:
_ Na2O + _ CaBr2 → _ NaBr + _ CaO
1 answer
145 views
alance the following the chemical equation:
C2H6 + O2 → CO2 + H2O
1 answer
84 views
Fire is an example of ________________ reaction, because heat is _____________ the system
1 answer
117 views
If 40g of Sodium (Na) reacts with 60g of Chlorine (Cl2), what is the mass of the products?
1 answer
208 views
A bath bomb is a solid sphere made of a base. When it you add it to a bath tub, it mixes with the water to create a soapy
1 answer
121 views
One molecule of Iodine (I2) and two molecules of potassium (NaCl) combine in a reaction. How many atoms are in the products?
1 answer
98 views
Which statement comparing ionic and covalent bonds is correct?
a More electrons are transferred from covalent bonds than ionic
1 answer
208 views
Which statement correctly compares synthesis and decomposition reactions?
a Synthesis and decomposition reactions are opposites
2 answers
215 views
Which event is an example of an exothermic reaction?
a combustion b melting ice c decomposition d evaporation
1 answer
128 views
This chemical reaction is balanced.
True False
1 answer
74 views
Scientists have been able to develop a nuclear fusion plant to generate energy.
True False
2 answers
244 views
225/88 Ra 0/-1 e + /89 Ac
1 answer
182 views
A stable nucleus will decay, or emit, particles.
True False
1 answer
96 views
Relatively large particle
1 answer
87 views
On a position versus time graph, if an object is not moving, what will the shape of this graph be?
a Horizontal b Vertical c
1 answer
133 views
When forces are in opposite directions, they subtract from one another
True False
1 answer
80 views
When two forces are in opposite directions, and they are the exact same magnitude, the forces will
a subtract from each other b
1 answer
96 views
In the picture above, which of the following is true
a both are examples of scalar b A. represents vector and B. represents
1 answer
190 views
Choose all of the following that represent scalars
a volume b time c acceleration d mass e velocity f position
1 answer
120 views
When same vectors are in the same direction they add. When same vectors are in opposite directions, they
a divide b subtract c
1 answer
171 views
n the picture above, calculate the Net force. Choose the correct answer in order from top to bottom
a 0 N, 20N, 2N b 20N, 2N, 0N
1 answer
203 views
Acceration is a change in motion over time
True False
1 answer
110 views
Using the graph, answer the follwing question:
When did the object reach 12 m beyond the starting point? a 5 sec b 4sec c 3 sec d
1 answer
185 views
Using the graph above, answer the following question:
Where was the object after 2 seconds?
1 answer
98 views
Which of the following is an example of Newton's First Law?
a A stationary book on the table must be picked up in order for it to
1 answer
157 views
Two postal delivery workers have different routes. They both travel from the post office, to neighborhoods to deliver mail, and
1 answer
137 views
Which statement correctly compares his motion during the first 10 minutes to his motion during the last 10 minutes?
a He is
1 answer
178 views
Which statement correctly classifies distance and displacement?
a Distance is a scalar quantity, and displacement is a vector
1 answer
141 views
On a position vs. time graph, which feature would represent motion in the negative direction over time?
a a downward-sloping line
1 answer
145 views
A box is against a wall. A person pushes on the box, but the box does not move. Is this situation an example of a force?
a Yes,
1 answer
188 views
A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net
1 answer
122 views
The same net force is applied to two bodies. The first body acquires half of the acceleration of the second body. What is the
1 answer
142 views
Which statement fairly compares segment 2 and segment 3?
a These represent different periods of time, and the force during
1 answer
156 views
Which quantity or quantities is/are increasing for the object represented by Line B?
a velocity only b velocity, position, and
2 answers
179 views
The same type of engine is placed in two different airplanes. The first airplane is twice as heavy as the second airplane. Which
1 answer
238 views
The harder a gas pedal in a car is pressed, the faster the car’s velocity increases. Which phrase best describes the
1 answer
152 views
A helicopter is accelerating up into the air while it is also accelerating due north. Which statement about the forces acting on
1 answer
152 views
How is velocity calculated?
a Displacement over time b Acceleration over time c Distance over time d Force over time
1 answer
97 views
Choose the three ways to cause an acceleration of an object.
a Slowing down b Speeding up c Displacement d Change in direction
1 answer
131 views
A scale drawing of a spider is 5 centimeters long. The actual length of the spider is 4 inches. If one of the spiders legs is 4
2 answers
88 views
Solve for x. Show ALL of your work
96 = x2−4
2 answers
39 views
Mr. Clark leaned a ladder against a wall. When placed, the ladder reaches the top of the wall. If the ladder is 35 feet long,
7 answers
161 views
A triangle has sides of 24in, 45in, 51in. Is the triangle a right triangle?
7 answers
78 views
Which of the following shows an example of two irrational numbers being multiplied to get a rational number?
Responses 3×9 3
2 answers
74 views
Which number is a perfect square
Responses 2 2 8 8 16 16 20 20
2 answers
59 views
