Answer:
chlorine and hydrogen atoms form a single covalent bond. in hydrogen chloride gas because the electrons are shared, not transferred from one atom to another.
If all three metals were exposed to extremely high temperatures, which would be the last to melt?
(gold, mercury,copper)
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Answer:
copper
Explanation:
because copper melts at 1,083
gold at 1 064
mercury at - 38
Help me out please? Thank you!
Answer: Continental climates are classified by whether that fluctuates a lot. Hot summer, Cold winters and Little rainfall are all characteristics of Continental Climates
Explanation:
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Answer:
A.
Explanation:
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Answer:
HCl , Chocolate Milk , NaCl + H2O, Sand + H2O , Tea + Sugar
Explanation:
here the answer Deku
The Newton is the SI unit for ____.
temperature
density
weight
mass
Answer:
Mass
Explanation:
Need help with this.
Answer:D
Explanation:
Answer:
here the answer would be D
Explanation:
if the two substances together have a different weight then the substance split but added together then this suggest that a new substance with a whole new mass was formed.
Lucia is given a picture of several cells. Her task is to identify the cells as plant or animal
cells. How can she pinpoint the cells that are plant cells?
A. She should look for a cell membrane surrounding the cell.
B. She should look for cytoplasm that is filled with organelles.
C. She should look for a large nucleus in the center of the cells.
D. She should look for ovals full of green dots called chloroplasts
Answer:
D She should look for ovals full of green dots called chloroplasts
Explanation:
Plant cells are the only cells that will have chloroplast as it helps the plant go through photosynthesis.
QUICK ANSWER THIS
Aerobic Respiration is the release of energy from food ________ the use of oxygen
A.With
B.Without
Answer:
A. with.
Explanation:
ok so the question is Sort the processes based on the type of energy transfer they involve. condensation
freezing
deposition
sublimation
evaporation
melting and the catigoreies are thermal energy add or thermal energy removed.
Maybe evaporation???????????????
Answer:
Maybe evaporation and sublimation??????????????????????
Explanation:
How much energy is required to completely melt a 250 gram ice cube that is already at 0 degrees Celsius? Show your work & units. Expected Answer = 83,500 J
Answer:
Q = 83500J
Explanation:
[tex]Q = L_{ice} *m[/tex]
[tex]L_{ice} = 3.34*10^{5} \frac{J}{kg}[/tex]
[tex]m = 250g = 0.25kg[/tex]
[tex]Q = (3.34*10^{5} \frac{J}{kg})*(0.25kg)[/tex]
[tex]Q = 83500J[/tex]
NEED HELP ASAP
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Answer:
True, False, True, and False
Explanation:
A pitcher throws a softball toward home plate. When the ball hits the catcher’s mitt, its horizontal velocity is 32 meters/second. The softball’s velocity goes to 0 meters/second in 0.8 seconds when caught. If the softball has a mass of 0.2 kilograms, what’s the force of the impact? Use F = ma, where .
Answer:
To calculate the force of impact F, first lets calculate the acceleration a of the ball:
a=v/t where v is the velocity of the ball and t is time
a=32/0.8=40 m/s²
To get the force F we need the Newtons second law:
F=m*a where m is the mass of the ball and a is the acceleration.
F=m*a= 0.2*40 = 8 N
So the impact force is F= 8 N.
Explanation:
Can someone please answer these 2 for me :)) I WILL GIVE BRAINLISTTTTT
gold is the piece of metal which have larger mass.
Explanation:
because it is reactive in nature than copper
what is one-way water moves through the nonliving parts of an ecosystem during the water system?
Answer:
Water moves through the help of living organisms in an ecosystem. ... Plants absorbs water through their root system and loss by transpiration. Water also moves through the living organisms in an ecosystem. Other nonliving processes such as evaporation, precipitation, water returns back into the atmosphere.
Explanation: welcome
Answer:
evaporation
Explanation:
Which type of graph would best represent data from this experiment: Measuring the growth of a plant over 2 weeks? Question 1 options:
A. Line graph
B. Bar graph
C. Circle graph
How do water, wind, and thermal energy from the sun move about the earth's surface?
Molecules move more quickly because the sun's light energy transforms into heat energy on the planet. While cooler polar air and water travel away from the poles and towards the equator, warm air and water molecules rise and move in the opposite direction.
What is light energy ?The capacity to make different forms of light visible to human sight makes light energy a sort of kinetic energy. Light is referred to as an electromagnetic radiation that is produced by hot things like the sun, lasers, and lightbulbs. Photons, which are tiny energy packets, are present in light.
Water temperature, biological activities and plant photosynthesis and development are all impacted by light energy.
The air is heated by the sun, and warm air rises. The colder air from the surroundings is forced to enter to replace the rising heated air. The result of this is the wind. Ocean currents function similarly.
Thus, Molecules move more quickly because the sun's light energy transforms into heat energy on the planet.
To learn more about light energy, follow the link;
https://brainly.com/question/9444330
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