Answer:
Cu(NO3)2
Explanation:
Cu+AgNO3--->Ag+Cu(NO3)2
[tex]Cu+AgNO_3[/tex] → [tex]Ag+Cu(NO_3)_2[/tex] is the complete reaction.
What is a chemical reaction?A chemical change occurs when two or more substances combine to form a new substance.
[tex]Cu+AgNO_3[/tex] → [tex]Ag+Cu(NO_3)_2[/tex] is the complete reaction.
Copper and silver nitrate react to form cupric nitrate and silver.
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What name is given to this type of diagram
Answer:
There's no graph attached to the question
butane reacts with chlorine to form two isomers of chlorobutane. What type of reaction is this?
copper sulphate solution turns the colour of litmus into red but litmus changes into blue with baking soda solution although both are salts. Give reason why?
Answer:
Copper sulphate is an acidic salt: It is the product of the reaction between a weak copper base and a strong acid , H2SO4
Litmus has a red colour in acidic solutions:
Conclusion: Acidic copper sulphate solution turns blue litmus to red
Baking soda is a basic salt : It is the reaction product of a weak acid , CO2 and a strong base , NaOH
Litmus has a blue colour in basic solutions:
Conclusion: basic baking soda solution turns red litmus to blue
If we start with 20 atoms of plutonium – 239, how many would remain after 48,240 years?
The amount of atoms of plutonium – 239 that would remain after 48240 years is 5 atoms
How to determine the number of half-lives Half-life (t½) = 24100 yearsTime (t) = 48240 yearsNumber of half-lives (n) =?n = t / t½
n = 48240 / 24100
n = 2
How to determine the amount remaining Original amount (N₀) = 20 atomsNumber of half-lives (n) = 2Amount remaining (N) = ?N = N₀ / 2ⁿ
N = 20 / 2²
N = 20 / 4
N = 5 atoms
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How do animal behaviors, such as hibernation or migration, enhance their survival?
Answer:
the reason a lot of animal ether hibernate is because they are escaping the cold or looking for food and the only reason we Humans don't hibernate is for two reasons. Firstly, our evolutionary ancestors were tropical animals with no history of hibernating: humans have only migrated into temperate and subarctic latitudes in the last hundred thousand years or so.
Explanation:
[H+] for a solution is 1 x 10^-7 M. This solution is _____________.
A. acidic
B. basic
C. neutral
Answer:
the answer is C neutral
Explanation:
if the ph is lower then 7 its acidic
if its higher then 7 its basic
and a ph of 7 is neutral
CO2
What is the type of bond
Select all the correct answers.
Why do the atoms in a piece of copper metal have no net charge?
1.The charges of the positive and negative copper ions cancel each other out.
2.The number of electrons surrounding each copper nucleus doesn’t change.
3.Copper atoms can’t lose electrons without a substance present to gain electrons.
4.When a copper atom loses electrons, it also loses a corresponding number of protons.
5.The copper atoms exchange neutrons instead of electrons.
Answer:
The correct answer is the charges of the positive and negative copper ions cancel each other out.
Explanation:
A copper metal having no net charge means that it is a neutral atom. A neutral atom means that total number of protons is equal to the total number of electrons.
Why does lithium have a higher ionization energy compared to sodium?
Answer:
There are 11 protons in a sodium atom but only 3 in a lithium atom, so the nuclear charge is much greater. ... The only factor left is the extra distance between the outer electron and the nucleus in sodium's case. That lowers the ionization energy.
Calvin shines a thin beam of light onto a material, and the light refracts. Which diagram best shows what happens to the light?
og in
Answer:
In goes in fractures (looks like broken angle)
Explanation:
Answer:
Has a broken angle and there are three arrows
Explanation:
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Which of the following best describes the distribution of the world’s food supply? Select all that apply.
Still unevenly distributed leaving millions starving to death.
Quickly changing to be evenly distribute based on humanitarian efforts.
Slowly changing to be slightly more evenly distributed based on humanitarian efforts.
Evenly distributed throughout the population of the world now.
Answer:
Slowly changing to be slightly more evenly distributed based on humanitarian efforts. Still unevenly distributed leaving millions starving to death.
Explanation:
the particle that move around the nucleus is are
Answer:
electrons
The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge
Explanation:
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Please please please someone give me the answers to all of these our teacher is very bad at explaining things and we are all confused i really need the answers please
Answer: #1 2Al + 2S - Al2S2
Explanation: You have to make sure there are 2 of each on each side
What are three facts about facilitated diffusion?
Answer:
you need my help come over
Explanation:
Carbon’s valence?Thanks for answer
Answer:
as in valence electrons? 5.
Answer:
Carbon has 4 Valence electrons
What chemicals must be cycled through a Martian environment in order for the planet to be habitable for life? Describe how scientists intend to make those resources available in such a harsh environment.
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Answer:
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i need help with this so try to help me out please
A light-year is a way to measure ______ in space.
O time
Odistance
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Answer:
Distance
Explanation:
The light-year is a measure of distance, not time. It is the total distance that a beam of light, moving in a straight line, travels in one year.
Answer:
distance pooh <3
Explanation:
q=The+diagram+below+represents+the+building+block+of+a+DNA+molecule+which+is+a+type&rlz=1CATPIA_enUS942&sxsrf=ALeKk02q0TrtMmY64OTcRfnI6UtHtyfVwg:1614616724451&source=lnms&tbm=isch&sa=X&ved=2ahUKEwi2l7yCxI_vAhVjg-AKHXaSCVcQ_AUoAXoECBIQAw&biw=1517&bih=726#imgrc=YTAoiVTgM8UvnM
Answer:
we need to see the diagram
Explanation:
A brand of soda has one of the highest quantities of sugar among popular soda drink packing 52 grams into each 12 oz can how many molecules of sugar are in one can of this soda
Answer:
9.0 × 10²² molecules of sugar (sucrose)
Explanation:
Step 1: Given and required data
Mass of sugar in each can of soda (m): 52 gMolecular formula of sugar (sucrose): C₁₂H₂₂O₁₁Molar mass of sucrose (M): 342.3 g/molStep 2: Calculate the moles of sugar (n) in each can
We will use the following expression.
n = m/M = 52 g / (342.3 g/mol) = 0.15 mol
Step 3: Calculate the molecules corresponding to 0.15 moles of sugar
We will use Avogadro's number: there are 6.02 × 10²³ molecules in 1 mole of molecules.
0.15 mol × 6.02 × 10²³ molecules/1 mol = 9.0 × 10²² molecules
The following equation represents what type of chemical reaction?
2Ag + H2S → Ag2S + H2
A. Double Replacement
B. Single Replacement
C. Decomposition
D. Synthesis
Answer:
single replacement
Explanation: N/A
Balance the folowing equation.
S + 02
ws
SO:
Answer:
s+o2=so2
Explanation:
i hope it will help u
All generators need some source of energy to rotate the coil or magnets.
True or False
.energy mechanical needs it Answer:
Yes.
Explanation:
How many grams of sand (SiO,) would need to be weighed out to equal 0.3 moles?
Which elements are;
a)solids,
b)liquids
c)gases
at 25°C
how many atoms are in 3.5 moles of arsenic atoms?
Answer:
1 mol of atoms = 6.022 ×1023 atoms. 3.5mol × 6.022 × 1023 atoms 1mol = 2.11 × 1024 atoms =.........
Explanation:
2160.64 atoms!
Which best explains why water has a high specific heat?
Answer:
The Presence of inter molecular hydrogen bonding makes it to heat at higher temperature as energy required to break them , hence the high specific heat
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CONVERT 65 GRAMS OF OXYGEN TO MOLES.
IM CONFUSED !
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4 moles
64 grams of oxygen contains 4 moles
Answer:
4 moles
64 grams of oxygen contains 4 moles
Explanation:
A small amount of liquid bromine is added to a container which is then sealed.
Br2 (l) " Br2 (g)
Answer:
This answer is....
Br2 (l)
