It is a type of of addition combination chemical reaction where in bromine adds across the double bonds of butane whose chemical equation is C₄H₈ +Br₂[tex]\rightarrow[/tex]C₄H₈Br₂.
What is chemical equation?Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.
A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .
The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.
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How many liters of water would you need to add to 4.36 moles of NaCl to create a 4 M solution?
Explanation:
1 M = 1 mol/L
4.36 mol NaCl ×(1L H20 / 4 mol NaCl) = 1.09 L H20
Answer:
1.09 L of water
Explanation:
4.36 mol NaCl ×(1L of H20 / 4 mol NaCl) = 1.09 L of water
Identify whether each compound is a straight chain, branched chain, or cycloalkane,
Answer:
First Part: branched chain, cycloalkane, straight chain
Second Part: straight chain, branched chain, cycloalkane.
Explanation:
Edg 2021
Answer:
A: branched chain, B: cycloalkane, and C: straight chain.A: straight chain, B: branched chain, and C: cycloalkane.Explanation:
H2 + O2 + H2O how do I balance this?
Explanation:
[tex]2H _{2(g)} + O _{2(g)}→2H _{2}O _{(l)}[/tex]
Insert 2 on Hydrogen then a 2 on water molecule.
What likely caused these different results?
Answer:
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How do we balance a chemical equation?
O adding elements as necessary
changing subscripts
erasing elements as necessary
placing coefficients
Answer: placing coefficients
Explanation: In a balanced chemical equation, the total number of atoms of each element present is the same on both sides of the equation. Stoichiometric coefficients are the coefficients required to balance a chemical equation. These are important because they relate the amounts of reactants used and products formed.
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The ____ are a windless zone.
Answer:
sorry I don't know I just came for points
Explanation:
About how much evaporation in the water cycle occurs over the ocean?
10 percent
40 percent
86 percent
100 percent
Answer:c
Explanation:
Element 2 is:
A) Cobalt
B)Chlorine
C)Calcium
D)Carbon
Answer:
D: Carbon
Explanation:
Carbon is the sixth element with a total of 6 electrons in the periodic table. Hence the atomic number Z = 6. The ground state electron configuration of carbon is 1s2 2s2 2p2. An excited state electron configuration of carbon is 1s2 2s1 2p3.
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Answer:
Outer planets are significantly colder than other planets! The answer is B.
Explanation:
The main difference between inner and outer planets is that inner planets have a high temperature compared to outer planets.
What do sex hormones do?
Answer:
Hormones help regulate many bodily processes, such as appetite, sleep, and growth. Sex hormones are those that play an essential role in sexual development and reproduction. The main glands that produce sex hormones are the adrenal glands and the gonads, which include the ovaries in females and testes in males
Explanation:
Choose one food chain in the web. Name all of the organisms in that chain. Start with a producer and end with the top level consumer.
Answer:
Sun
↓
Alfalfa
↓
Rabbit
↓
Coyote
Explanation:
To find - Choose one food chain in the web. Name all of the organisms in that chain. Start with a producer and end with the top level consumer.
Solution -
We know that,
A food chain is a series of events in which one organism eats another and obtains energy.
The Food chain is as follows :
Sun
↓
Alfalfa
↓
Rabbit
↓
Coyote
in what group and periods is most reactive metals
How can we use patterns on the periodic table to predict an element’s structure and reactivity?
Answer:
The number of electrons in the outermost shell of an atom determines its reactivity. Noble gases have low reactivity because they have full electron shells. Halogens are highly reactive because they readily gain an electron to fill their outermost shell.
Identify Acid-base and conjugate acid-base pair in the following: HCOOH + H20 --> HCOO + H3O+ *
Explanation:
HCOOH (aq) + H2O (l) ⇋ HCOO- (aq) + H3O+ (aq)
acid 1 base 2 base 1 acid 2
3. How many moles of NaCl are present in 6000. La 1.5 M NaCl solution?
A.9.0
B.9.0 x 10^3 moles
C.4.0 x 10^8 moles
Answer:
Option A (9.0) is the correct alternative.
Explanation:
The given values are:
Molarity,
= 1.5 M
Volume,
= 6000 mL
or,
= 6 L
As we know,
⇒ [tex]Molarity=\frac{Moles}{Volume}[/tex]
or,
⇒ [tex]The \ moles \ of \ NaCl=Molarity\times Volume[/tex]
By putting the values, we get
[tex]=1.5\times 6[/tex]
[tex]=9 \ mol[/tex]
How much energy (in KJ) is needed to melt 15g of ice at -4oC and raise it to a temperature of 115oC? Round the closest number, and include units
Answer:
The energy needed is 45.7659 kJ
Explanation:
The given mass of the ice, m = 15 g
The initial temperature of the ice, T₁ = -4°C
The temperature
The final temperature, T₂ = 115°C
The specific heat capacity of ice, c₁ = 2.09 J/(g·°C)
The latent heat of ice, l₁ = 334 J/g
The heat capacity of water, c₂ = 4.184 J/(g·°C)
The latent heat of vaporization, l₂ = 2260 J/g
The specific heat of steam, c₃ = 2.02 J/g
Therefore, we get the energy needed, ΔQ, as follows;
ΔQ = m·c₁·(T₂ - Tₐ) + m·l₁ + m·c₂(Tₓ - Tₐ) + m·l₂ + m·c₃·(T₂ - Tₓ)
Where;
Tₐ = The melting point temperature of water = 0°C
Tₓ = The boiling point temperature of water = 100°C
∴ ΔQ = 15×2.09×(0 - (-4)) + 15 × 334 + 15×4.184×(100 - 0) + 15×2260 + 15×2.02×(115 - 100) = 45,765.9
The energy needed, ΔQ = 45,765.9 J = 45.7659 kJ.
Looking at the chart, which substance would heat up the fastest?
Question 9 options:
Iron
Aluminum
Brass
Alcohol
Answer:
Aluminum would heat up the faster
14.
Unlike addition polymers, condensation polymers form from _____.
monomers that have only one functional group
the head-to-tail joining of monomer units
the joining of unsaturated monomers
monomers that have at most three carbon atoms
Answer:
Addition polymers are formed when monomer units join each other in a process that involves the rearranging of electrons in double or triple bonds in the monomer. The polymer is the ONLY product formed.
EX:C=C + C=C + C=C - ·C-C-C-C-C-C·
Ethene(ethylene) monomers -> part of polyethene
Explanation:
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How does the melting of ice caps near the North Pole affect the salinity of the ocean?
Salinity decreases because freshwater flows into the ocean
Salinity increases because of the stored pockets of air and salt
Salinity increases because salt from the ice caps flows into the ocean
There is no change in the ocean’s salinity with this process
Answer:
A.
Explanation:
melting of ice will increase water in oceans due to which water in oceans will increase and salinity will decrease. hence, melting of ice caps near the north pole affects salinity of the ocean
Na+ and P-3 whats the formula and whats the name of it
Answer:
Sodium phosphide is the inorganic compound with the formula Na 3 P. It is a black solid. It is often described as Na + salt of the P 3− anion. Na 3 P is a source of the highly reactive phosphide anion.
Explanation:
8. Which of the following have bacteria in their root nodules that fix nitrogen?
1. Legumes
b. Meat
c. "Trees
d. Algae
Answer:
Option A
Explanation:
Leguminous plants like pulses etc. have root nodules comprising of rhizobacterium which live in a symbiotic relationship with the roots of the plant and in turn fix the nitrogen in the soil in the roots of the leguminous plants.
Hence, option A is correct
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Turtles are cold blooded, meaning they use the Sun to keep warm. A student hypothesizes that his pet turtle will prefer swimming in warm water. He places his turtle on a rock in the middle of the bathtub, and measures how much time the turtle spends off of the rock during a five minute period. He conducts the experiment under four conditions in the bathtub: no water, warm water, cool water , and room temperature water. In this experiment, which is the control group ?
Answer:
Room temperature water
Explanation:
Neither the amount of water nor the temperature of the water has been changed.
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Balance the following equation:
__Hg + __O₂ --> __HgO
Answer:
4Hg+2O2=4HgO
four Mercury + four oxygen
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Read the chemical equation. 2NaOH + H2SO4 → Na2SO4 + 2H2O Which of the following statements would be correct if four moles of NaOH were used in this reaction?
A. Two moles of water were produced from this reaction.
B. Four moles of water were produced from this reaction.
C. One mole of H2SO4 was used in this reaction.
D. Eight moles of H2SO4 were used in this reaction.
Answer:
the answer is B
Explanation:
Answer: B!
Explanation:
B. Four moles of water were produced from this reaction.
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Aqueous aluminum phosphate reacts with solid magnesium to produce solid aluminum and aqueous magnesium phosphate. Write the balanced chemical equation for this chemical reaction using the correct chemical formulas and include conditions (s, l, g, or aq). Put your answer in the box below.
Answer:
2AlPO4(aq) + 3Mg(s) -------> Mg3(PO4)2(aq) + 2Al(s)
Explanation:
The principle of writing balanced chemical reaction equations states that; the number of atoms of each element on the right hand side of the reaction equation must be equal to the number of atoms of the same element on the left hand side of the reaction equation.
The reaction is between aqueous aluminum phosphate reacts and solid magnesium to produce solid aluminum and aqueous magnesium phosphate. The equation is represented as follows;
2AlPO4(aq) + 3Mg(s) -------> Mg3(PO4)2(aq) + 2Al(s)
HURRY!!!
What can you infer about the growth of the seed represented in the graphs below?
Answer:
B
Explanation:
Mg (s) + 2 HCl (aq) --> MgCl2 (aq) + H2 (g)
Use the equation above to determine the number of grams of magnesium chloride, MgCl2 , that can be produced if 4.00 moles of HCl (hydrochloric acid) react. please show all work and record your answer with proper units and significant figures.
Pls help
Answer:
m = 190. g MgCl2
Explanation:
Use a molar ratio to get the # of moles MgCl2 produced from 4.00 mol of HCl:
4.00 mol HCl × (1 mol MgCl2/2 mol HCl) = 2.00 mil MgCl2
So 2.00 moles of MgCl2 will be produced. To find the mass in grams, use the molar mass of MgCl2:
2.00 mol MgCl2 × (95.211 g MgCl2/1 mol MgCl2)
= 190. g MgCl2
why does styrofoam fall slower than a rock
Answer:
The foam board has a larger gravitational force but it also has a very large air resistance force. The net (total) force on the foam board will give it a smaller acceleration than paper.
Explanation:
The air molecules get knocked away and take some of the kinetic energy away from the object, which makes the object slow down