What is the name of the molecule shown below?
A.2-octene is the name of the molecule shown below.
How many carbons does 2-octene have?The oct part of the name indicates the parent chain. In this case, oct- is an abbreviation for octane, which means that there are 8 carbons in the parent chain. The first part of the name, cis-2. 2 is used to indicate the first atom that forms the double bond above.
Alkenes are classified into higher olefins and alpha olefins. This means that the double bond is in the alpha (primary) position, which makes the compound more reactive and provides useful chemistry.
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Does gravity give objects their mass
Answer:
No
Explanation:
Mass affects the amount of gravity that acts on an object.
Answer:
Mass is determined by the quantity of matter in a physical object.
Mass is how much space something takes up, while weight is how much an object is acted on by a force because of gravity.
Explanation:
Gravity does not determine the mass of an object. For example, an object on the Moon would weigh less than it does on Earth because of the lower gravity, but it would still have the same mass. This is because weight is a force, while mass is the property that determines the strength of this force.
What happens to the density of group 1 when you go down the group
the density increases down the group.
A subatomic particle that has almost no mass and a negative charge
Answer:
I think its the electron if this is correct can u mark me brainliest?
What is the name of this hydrocarbon? a skeletal model has 2 central carbons bonded to c h 3 at each end, and at the left of the 2 central carbons. 3-isopentane 2-methylbutane 3-methylbutane 1,2-methylpropane
The name of the given hydrocarbon in which 2 central carbon atoms with additional 3 methyl groups is 2-methylbutane.
What are hydrocarbons?Hydrocarbons are the organic compounds which are made up of by the combination of hydrogen and carbon atoms.
According to the question desired structure is attached below where:
2 and 3 number shows the central carbon atoms which are present in the hydrocarbon.1 and 4 number shows the methyl groups that are attached at each end.One extra methyl group is attach on the left side of 2nd central carbon atoms.Hence required hydrocarbon is 2-methyl butane.
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Answer:
B. 2-methylbutane
Explanation:
Correct on Edge 2022!!!
Good luck everyone, you got this! Have a great day!
if 18.40 L of chlorine gas at STP reacts with aluminum metal, how many grams of aluminum chloride are produced?
equation: 3Cl2+2Al-->2AlCl3
At STP 1mol of gas weighs 22.4L
Moles of chlorine
18.40/22.40.8molNow
3mols of chlorine produces 2 mol AlCl_31 mol of chlorine produces 0.6mol AlCl_2Moles of AlCl_3
0.8(0.6)0.5molMass of AlCl_3
0.5(133)6.5gSuppose that sequence of bases on one segment of DNA is ATCGGA. What is the sequence of the bases on the complementary segment?
is it
A: ATCGGA
B: CGATTC
C: AGGCTA
D: TAGCCT
And why is it one of those that you picked.
Answer:
A: ATCGGA
Explanation:
First, think about which base pairs arise in complementary strands of DNA..
Which compound has the longest carbon-carbon bond length?.
Hokkaido University researchers have synthesized an organic compound with a longer bond between carbon atoms than ever before - exceeding the assumed limit for carbon-carbon single bond (C-C) lengths. The researchers termed it a "hyper covalent bond." The novel polycyclic hydrocarbon named 10c is stable, and an X-ray analysis showed that its C-C bond lengths was as long as 1.806 angstroms, longer than the previously reported world records for hydrocarbons.
what factors determine the amount of radiant energy we will receive on earth?
a solution with a pH of 4.6 is a:
Calculate the concentration of solution containing :
a. 0.2 mole of sodium hydroxide, NaOH, dissolved in water and made up to 100 cm3.
b. 9.8 grams od sulfuric acid, HF, dissolved in water and made up to 500 cm3.
Answer:
the answer for a is 2mol/dm3
Explanation:
n=0.2mol of NaOH
v=100cm3
[tex]v = \frac{100}{1000} \\ v = 0.1 {dm}^{3} \\ concentration = \frac{n}{v} \\ = \frac{0.2}{0.1} \\ = 2mol {dm}^{3} [/tex]
At a temperature of 273K, a 400 mL gas sample has a pressure of 760 mm Hg. If the pressure is changed to 380 mmHg, at which temperature will this gas have a volume of 551mL?
Answer: The correct answer is 188.03K.
Explanation:
As a result, the gas sample will have a volume of 551mL at a temperature of 188.03K.
A meteorite is found to contain two isotopes of element X, X-12, and X-14. Experimental analysis determined 95% of the element is isotope X-12, whereas 5% of the element is isotope X-14. What is the average atomic mass of element X?
Select one:
12.0 amu
14.0 amu
12.1 amu
13.0 amu
Considering the definition of atomic mass, isotopes and atomic mass of an element, the atomic mass of the element is 12.1 amu.
Definition of atomic massFirst of all, the atomic mass (A) is obtained by adding the number of protons and neutrons in a given nucleus of a chemical element.
Definition of isotopeThe same chemical element can be made up of different atoms, that is, their atomic numbers are the same, but the number of neutrons is different. These atoms are called isotopes of the element.
Definition of atomic massOn the other hand, the atomic mass of an element is the weighted average mass of its natural isotopes.
In other words, the atomic masses of chemical elements are usually calculated as the weighted average of the masses of the different isotopes of each element, taking into account the relative abundance of each of them.
Atomic mass of the element in this caseIn this case, the first isotope has an atomic mass of 12 amu and a percent natural abundance of 95 %. The second isotope has an atomic mass of 14 amu and a percent natural abundance of 5 %.
Then, the average mass can be calculated as:
12 amu×0.95 + 14 amu×0.05= 12.1 amu
Finally, the atomic mass of the element is 12.1 amu.
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Methane (CH4), is said to be the cleanest burning fossil fuel. When burned, it releases carbon dioxide gas and forms water. Using the equation below, determine which of the following is true (assuming there is an infinite supply of oxygen gas (O2)). Select all that apply.
For every 1 molecule of methane CH4 that reacts, 2 molecules of H2O are produced.
For every 2 moles of methane (CH4) that reacts, 2 moles of H2O are produced.
For every 2,000 molecules of methane (CH4) that reacts, 2,000 molecules of H2O are produced.
For every 20 grams of methane (CH4) that reacts, 40 grams of H2O are produced.
For every 200 moles of methane (CH4) that reacts, 400 moles of H2O are produced.
From the stoichiometry of the balanced reaction equation, the correct statement are;
For every 1 molecule of methane CH4 that reacts, 2 molecules of H2O are produced.For every 20 grams of methane (CH4) that reacts, 40 grams of H2O are produced.For every 200 moles of methane (CH4) that reacts, 400 moles of H2O are produced.What is combustion?The term combustion refers to the burning of fossil fuels for the purpose of energy production. The equation for reaction is CH4 + 2O2 ---> CO2 + 2H2O.
Using this equation as shown, the true statements are;
For every 1 molecule of methane CH4 that reacts, 2 molecules of H2O are produced.For every 20 grams of methane (CH4) that reacts, 40 grams of H2O are produced.For every 200 moles of methane (CH4) that reacts, 400 moles of H2O are produced.Learn more about combustion: https://brainly.com/question/15117038
where is the atomic number written
Answer:
The atomic number is written on top of the element symbol.
Explanation:
From top to bottom:
-Atomic Number
-Element Symbol
-Name
-Atomic Mass
~
identify a human activity that impacts the land negatively then describe a positive action that can help rude effects caused by the activity
giving brainiest
2. Describe one way in which each of the items you listed in Part 1 could be at
least temporarily disrupted from equilibrium. Can you think of a way your body
could respond to restore homeostasis after one of these disruptions? (3 points)
An example of a temporary disruption from equilibrium is a temperature change, this would be compensated through sweating.
What is equilibrium?This refers to a constant state in which forces are balanced. Inside the body, equilibrium means certain conditions such as the level of oxygen or the temperature are constant.
How is equilibrium lost?This can be lost due to many factors, in the body, this occurs as a result of sudden changes either inside or outside the body. An example of this is sudden temperature changes, for example, if you go out of your house and it is snowing or it is very hot outside.
How is homeostasis or equilibrium restored?The body has specific mechanisms to restore the temperature. For example, if the environmental temperature is too high the body uses sweating to keep a constant temperature.
Note: This question is incomplete because the list of part 1 is not given; due to this, the answer is based on general knowledge.
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Answer: describe in general a process desert plants might need to carry out in order to maintain homeostasis
Explanation:
Predict the sign of delta H for a combustion reaction and suggest whether it is likely to be spontaneous or not.
A) + and spontaneous
B) + and uncertain
C) - and spontaneous
D) - and uncertain
What's a combustion
It means hydrocarbon burns in presence of excess oxygen to produce carbon dioxide and heat
Hence it's exothermic∆H=+veAs solid state is converted to gaseous so randomness increases hence it's spontaneous
Combustion is the process of combining with oxygen to form water and carbon dioxide. It is an exothermic reaction and will release energy. Thus delta H for combustion is negative.
What is enthalpy change ?Enthalpy change of reaction is the change in heat absorbed or released by a reaction. If heat is absorbed by the system , the reaction is called endothermic and the change in enthalpy delta H is positive.
For a reaction which release energy, the change in enthalpy delta H will be negative and thus the reaction is said to be exothermic. Combustion is an exothermic reaction.
During combustion new bonds are formed between carbon and oxygen and carbon and hydrogen. Thus bond making is happend more than bond breaking. Bond breaking needs much energy than bond making.
Hence, the released energy is more form combustion and enthalpy change is negative. The process needs no more energy thus the reaction is spontaneous. Thus option C is correct.
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giving brainliest please help!
Answer:
the reaction will shift right towards products
Explanation:
Vascular plants have an internal transport system to move water and nutrients throughout the plant. Which of these is used to transport water from the roots to the leaves?
According to the first law of thermodynamics, what quantity is conserved?.
Answer:
energy
Explanation:
The First Law of Thermodynamics (Conservation) states that energy is conserved, it cannot be created nor destroyed.
1. In sheep, a gene with two alleles decides wool color. The allele for white wool is
dominant to the allele for black wool. If two heterozygous sheep mate, what
percentage of the sheep will have white wool? Record your answer as a
percent.
White wool
Black wool
HINT: Create a Punnett square on scratch paper to determine the answer.
This is defined as a variant form of a gene. We were told that allele for white wool is dominant to the allele for black wool and two heterozygous sheep mated.
When we cross Ww and Ww we get WW, Ww, Ww, ww. Since white is dominant then the percentage is 3/4 = 75 percent.
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7.744 liters of nitrogen are contained in a container. convert this amount to grams
Answer:
9.69g
Explanation:
Xmol of n2= 7.774/22.4= 0.346 mole
molar mass of n2 2×14 =28g/Mol
Mas of n2= 0.346×28
Mas of n2=9.69grams
with a given number of moles of solvent,the solution will always have the same concentration. T or F please explain why.
Answer:
Its False
Explanation:
Its False because the concentartion would have to be the solute the thing being added. BUT if you add the equal amount of solvent and add more solute than the one you added more solute is the more concentarted.
AN EXAMPLE:
An example we have Cup A and Cup B we add the same amount of water to both cups but i add more solute to cup A (Examples of solute Salt,powder) and i add less solute to b I balance them in a balance. and cup A is the most concentrated because It has more solute.
ANOTHER EXAMPLE:
Lets do the same thing i add the same amount of water to cup A and B I want to add the same solute but i cant since Cup A saturates At 8 Spoons And B at 6 So cup A is most concentared
Conclusion:
So it all depends on the solute how much you add or at how many spoons you saturate.
Thats all I hope it helped!!
The concentration of the solution depends upon the number of moles of solute with changing, the concentration will change. Therefore, the given statement is false.
What is the molar concentration?The concentration of the given solution can be determined in the terms of molarity, Normality, and molality. We can easily calculate the molar concentration of a substance in a solution.
In chemistry, concentration can be described as the abundance of a constituent divided by the total volume of a mixture. The concentration can be mass concentration, number concentration, molar concentration, and volume concentration.
The concentration of the solution determined as the number of moles of a solute per unit volume of a solution is known as molarity or molar concentration.
The Molar concentration of a solution is evaluated in the following way.
Molarity (M) of the solution = Moles of solute/Volume of the Solution
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Many human epithelial cells produce sticky mucus. Which of the following statements best describes how this mucus functions in nonspecific adaptive immunity?
provides an impenetrable outer covering that cannot be penetrated by most pathogens
assists in the physical removal of pathogens from the body
produces antibodies that will cause pathogen lysis
promotes growth of the body's normal microbiota
Answer:
The answer is provides an impenetrable outer covering that cannot be penetrated by most pathogens :)
Explanation:
The cells line the skin so then it makes it really difficult for germs to get through. :)
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Balancing equations
I'll give brainliest.
Answer:
You should follow these steps:
Count each type of atom in reactants and products.
Place coefficients, as needed, in front of the symbols or formulas to increase the number of atoms or molecules of the substances.
Repeat steps 1 and 2 until the equation is balanced.
Explanation:
Label the equivalence point on the graph of pH versus volume of the titration of a strong acid and strong base shown below
no bots please!
a. What volume of base was needed to neutralize the acid?
b. What is the pH at the equivalence point?
c. How does the number of moles of hydronium ions and hydroxide ions compare at the
equivalence point?
which of the following is lewis acid a. Bacl. b.kcl c.Becl2 d.Licl
Answer:
becl2
Explanation:
because
a it has incomplete outer
b it accept electron pair
In a constant-pressure calorimeter, the temperature of 60.0 g of water increases by 4.50 °C.
What amount of heat is transferred to the water? (Specific heat capacity of water = 4.2 J/gºC)
O A. 7.88 KJ
द
OB. 1.13 KJ
O C. 1.13 J
o D. 7.88 J
The amount of heat transferred to the water if the temperature of 60.0 g of water increases by 4.50 °C is 1.134Kj.
How to calculate heat?The quantity of heat transferred to a substance can be calculated using the following formula:
Q = mc∆T
Where;
Q = quantity of heat (J)m = mass of substancec = specific heat capacity∆T = change in temperatureAccording to the information in this question;
Q = ?m = 60gc = 4.2J/g°C∆T = 4.5°CQ = 60 × 4.2 × 4.5
Q = 1134J
Therefore, the amount of heat transferred to the water if the temperature of 60.0 g of water increases by 4.50 °C is 1.134KJ.
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_____AI(NO3)3 + _____NaOH —> ___Al(OH)3
+ _____NaNO3
Answer:
Al(NO3)3 + 3NaOH -----> Al(OH)3 + 3NaNO3