1 000 000 000 nanoliters
What is the symbol of element Californium?
Answer:
Californium is a chemical element which is radioactive, its symbol is 'Cf' and atomic number is 98
Answer: the elementale symble is Cf
Explanation: the symble of element is Cf
How much energy is needed to heat 9.3 grams of silver metal from 21 °C to 52 °C, if the
specific heat of silver metal is 0.240 J/g °C?
Question 5
4 pts
How much heat must be added if 160 grams of water is heated from 24 °C to 85 °C?
(The specific heat of water is 4.184 J/g °C)
Look at picture
ASAP please will mark as brainlist don’t got much time
Answer:
question 4. 69.19J
question 5. 40835.84J
Explanation:
question4.
heat needed = mass × specific heat capacity × change in temperature
= 9.3× 0.240×(52-21)
=69.192J
question 5.
heat added = 160× 4.184×(85-24)
= 40835.84J
2. When two oppositely charged particles are brought near each other, they produce a torceted the stone
shows the force around two changed particles
Which force do the arrows represent?
A an unbalanced force
B. a frictional force
C.an electrical force
D.a gravitational force
Answer:
A
Explanation:
An unbalanced force is your answer.
Please help me i really need help
Answer:
H2o i think
Explanation:
9. Do all enzymes function at the same pH?
Each enzyme has an optimum pH but it also has a working range of pH values at which it will still work well. This depends on the type of enzyme. The enzyme pepsin breaks down proteins in the acidic conditions of the stomach. ... Catalase has an optimum pH of 9 and a working range of between pH 7-11. Hope this was helpful
Explanation:
How can a colorless substance be made visible on a chromatography
Explanation:
s f colourless substances can be followed by the use of fluorescent adsorbents. Ultra-violet light of a wavelength absorbed by the adsorbed substance is employed. The part of the column containing adsorbed substance then appears as a dark band.
HOPE THSI HELPS HAVE A NICE DAY!
Answer:
Colourless substances can be followed by the use of fluorescent adsorbents. Ultra-violet light of a wavelength absorbed by the adsorbed substance is employed. The part of the column containing adsorbed substance then appears as a dark band.
10. Which of these elements is the most electronetative?
(10 Points)
Nitrogen
Calcium
Bromine
O Aluminum
How many grams of Sn will be created when 114 grams of SnO2 react with excess H2? SnO2 + H2 ->Sn + H2O
I
Explanation:
CNN vfbtgnynynynynyuybunujy
5. How would the food web in Figure 7 change if the numbers of red foxes were
greatly reduced by hunters?
Help meee
Answer:
I cant help you because you didn't provide a picture for the graph
Explanation:
Explain why the elements in group 7 have 7
valence electrons.
Answer:
The periodic table was made that way by the scientists who created it
Explanation:
to make things easier for the users.
Which layer over time due to chemical and physical weathering leads to the other layers?
Answer:
chemical weathering occurs on the surface of minerals, the water and acids that control chemical weathering require access to the surface. Physical weathering breaks the rock to provide that surface
18)
Have you ever noticed things move or change in nature without the help of a human? Think about patterns of ripples formed in
sand on the playground, and a hole or dip formed in soit under a rain gutter. What is the BEST explanation of how things like this
happen?
A)
Soitand-rocks make changes tech season like teaves on trees
B)
Water and/or wind make changes to soil and/or rocks over time
C)
Gravity causes dirt on the playground and under gutters to move
D)
The Moon causes rocks and soil to move, like the tides of oceans
16)
Which process causes hillsides and mountains to gradually get smaller?
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rch
O
Oop
Answer:
B)
Explanation:
because the wind is moving the sand and the rain moves the soil
16) weathering and erosion
How do you know when a redox equation is balanced?
Which of the following is NOT a clue that could indicate a chemical change?
A. Change in color
B. Mixing of reactants
C. Change in energy
D. Release of a gas
E. Formation of a precipitate
Answer:
i think its C, but im not 100% sure. if not c, then D, but C sounds more right.
Explanation:
everything else sounds like sure fire sighs of a chem change. good luck
hiii please help i’ll give brainliest
Answer:
the applied force is greater than the force of friction
Explanation:
What human actions contributed to the nutrient pollution of Lake Okeechobee?
PLZ HELP MEEEEEEEEEEEEEEEE I BEG YOU
Answer:
These trends were attributed to both the increased external loads and to a reduction in the lake sediment's ability to assimilate nutrients from the water column. The main sources of external nutrient inputs are animal waste and fertilizers applied to food and forage crops.
What type of energy does each ball have before it falls
Why do surface waves break along the shore?
Answer:
because the global sea level rises while the poles temperature increases
Explanation:
When energy is released by the pack, what happens to the energy of the surroundings (outside the pack)?
a. The energy increases
b. The energy decreases
c. The energy stays the same
Answer:
a
Explanation:
i hope that's correct
The energy of the surroundings (outside the pack) will:
a. The energy increases, when energy is released.
Energy in the surroundings:Energy is delivered to create bonds, which is the reason the enthalpy change for it is positive to break bonds. Energy is expected to break bonds. Particles are a lot more joyful when they are "wedded" and discharge energy since it is simpler and more steady to be seeing someone.
When energy is released, the energy in the surroundings will increase.
Thus, option a is correct.
Find more information about Energy here:
brainly.com/question/25959744
The atomic size of zirconium is smaller than
a. niobium
b. Yttrium
c. Molybdenum
d. None of the above
Answer:
b
Explanation:
because hahamaskdjdjskskskskkssksksks
All three types of worms that undergo asexual reproduction use which process?
binary fission
budding
fragmentation
spore formation
Answer:
binary fission
Explanation:
i just took the quiz
What type of energy does most energy end up as?
O heat
O chemical
light
O electrical
Answer:
Heat
Explanation:
Question 1 of 10
What do biologists study?
A. Living things
B. The properties of light
C. The properties of matter
D. How matter and energy interact
SUBMIT
Answer:
A
Explanation:
Biology is the study of living things.
ugh i don’t know:(
please help!!!
Since I'm a tomboy, does that mean I'm gender non-conforming?
Answer:
Hello
Explanation:
I am a girl,not a tomboy.
Will we talk about something?
How many atoms of tin are found in 3.50 moles of tin?
Answer:
2.11x10²⁴ atoms
Define unbalanced forces(giving Brainly)
Answer:
Unbalanced forces are forces whose net amount is not zero.
This can take place when two equal forces are acting in the same direction or opposite direction but with different forces.
Unbalanced forces make some change in the position of the object on which force is exerted.
Answer:
This can take place when two equal forces are acting in the same direction or opposite direction but with different forces.
Unbalanced forces make some change in the position of the object on which force is exerted.
What would be the correct answers
Answer:
A chemical bond is formed and energy is absorbed I do believe
Explanation:
fill in the blank question
please help asap!!!!!!!!!!!!!!
Answer:
since unlike charges attract, negative side of another water molecule, neutral
Is a large body of flowing water ;created by many smaller flowing together. Aquifer
Answer:
alll I really know is that it includes smaller pools of water