The "Ring of Fire" is a set of _________ that often occur along plate boundaries. There are many plate boundaries along Pacific coastlines.
Answer:
There are many plate boundaries along Pacific coastlines is explained below in complete details.
Explanation:
The San Andreas Fault, extending along the central west shoreline of North America, is one of the common operating faults on the Ring of Fire. It rests on the transform boundary within the North American Plate, which is traveling south, and the Pacific Plate, which is traveling north. This kind of boundary produces a large number of earthquakes as tightness in Earth's crust forms up and is discharged.
Analyze: The first shell can hold a maximum of two electrons. How does this explain the valence of hydrogen
Answer:
See explanation
Explanation:
Hydrogen has a valency of +1 or -1. Its electronic configuration is 1s1.
The 1s sub-level (first shell) is known to hold two electrons. This means that hydrogen may either loose this one electron in the 1s level to yield H^+ or accept another electron into this 1s level to form H^- (the hydride ion).
The formation of the hydride ion completes the 1s orbital.
The enzyme known as alcohol dehydrogenase is capable of oxidizing ethanol, methanol and other hydroxyl group containing organic compounds into their corresponding aldehydes. Such an enzyme with ___ catalyzes the reaction of structurally related substances.
Answer:
Relative specificity.
Explanation:
Relative specificity can be defined as a phenomenon whereby molecules in a biochemical environment interacts or relates differentially with a large number of its partner, target, or substrate and as such affecting them respectively depending on each partner, target or substrate.
An enzyme refers to a biological catalyst that is typically used to speed up (accelerate) the rate of a chemical reaction by lowering the activation energy of its reactants.
The enzyme known as alcohol dehydrogenase is capable of oxidizing ethanol, methanol and other hydroxyl group containing organic compounds into their corresponding aldehydes. Such an enzyme with relative specificity catalyzes the reaction of structurally related substances known as substrates with similar structures and bonds.
Give an example of a gas and how something used it.
There are so many gases which we are use in our day to day life. Oxygen, nitrogen, helium, argon are the different example of gases.
What are gases ?A condition of substance known as gas lacks both a set shape and a fixed volume. Compared to other states of matter, such as solids and liquids, gases have a lower density.
Roughly 33% of the nation's total natural gas consumption was accounted for by the industrial sector, and about 34% of the energy used by this sector came from natural gas. Natural gas is used in the home sector to cook, heat water, and dry clothes.
Oxygen gas is used in medical, helium gas is used in balloon, argon gas is used in welding, nitrogen gas is used in , medical equipment.
Thus, oxygen, nitrogen, argon, helium are the gases which are used.
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4.
The average Olympic runner has a mass of 67.8 kg and accelerates at 10.38
m/s2. What is the force accelerated by an Olympic runner?
Answer:
696.98 NExplanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 67.8 × 10.28 = 696.984
We have the final answer as
696.98 NHope this helps you
Which of the following are isotopes, choose all that apply.
Element X with atomic number 10 and atomic mass 21
Element Y with atomic number 11 and atomic mass 21
Element Z with atomic number 10 and atomic mass 22
Element M with atomic number 12 and atomic mass 21
Answer:
Element X with atomic number 10 and atomic mass 21
Element Z with atomic number 10 and atomic mass 22
Explanation:
Isotopy is the existence of two or more atoms of the same element having the same atomic number but different mass numbers due to the differences in the number of neutrons in their various nuclei.
Isotopes of an element have the same electronic configuration. They share the same chemical propertiesThey only differ in their masses.So, Element X and Z with atomic number 10 which is their number of electrons are isotopes. Their mass number, 21 and 22 differs.
Help ASAP!
a, b, c, or d??
Answer:
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Answer:
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Explanation:
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Complete the table by choosing the correct ionic charge for each element. Refer to the periodic table if needed.
Select the correct option from each drop-down menu to complete the table.
Element Ionic Charges
lithium (Li)
magnesium (Mg)
aluminum (Al)
chlorine (Cl)
oxygen (O)
nitrogen (N)
Answer:
lithium 1+
magnesium 2+
aluminum 3+
chloride 1-
oxygen 2-
nitrogen 3-
hope this helps!
Explanation:
for plato users :)
The ionic charges for the given elements are Lithium (Li) + 1, Magnesium (Mg) + 2, Aluminum (Al) +3, Chlorine (Cl) -1, Oxygen (O) -2, and Nitrogen (N) -3.
What are the ionic charges?The ionic charge can be defined as the oxidation state of the chemical species. The cation carries a positive charge while Anion carries a negative charge. The number of electrons in ions present depends on the charge carried by ions.
In the periodic table, the elements from the left side are electropositive and act as metals. The metals can donate one or more electrons thus they carry a positive charge on them.
In the periodic table, the elements from the right side are electronegative and act as non-metals. The non-metals can accept one or more electrons thus they carry a negative charge on their ions.
Lithium (Li), magnesium (Mg), and aluminum (Al) donate electrons in their valence shell and carry + 1, +2, and +3 ionic charge respectively. Chlorine (Cl), oxygen (O), and nitrogen (N) accept electrons in their valence shell and carry - 1, -2, and -3 ionic charge respectively.
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What is the possible or stored energy in an object called?
Answer:
Potential energy is the energy stored within an object, due to the object's position, arrangement or state. Potential energy is one of the two main forms of energy, along with kinetic energy.
Explanation:
Brandon's hands are cold from playing out in the snow. When he goes in the house, his mother hands him a mug of hot cocoa and his hands warm up. Why? A. Heat moves from the mug to his hands. B. Particles from the cocoa move to his hands. C. Cold from his hands is absorbed by the mug. D. Chemical energy from the cocoa changes to heat.
Answer:
A
Explanation:
One way that energy is transferred as heat is through direct contact between objects. is the process that moves energy from one object to another when they are touching. The heat energy moves from one object to another.
Completing the FAFSA could help decide whether a student
deserves a merit-based award.
should receive student-specific financial aid.
should be given an athletic scholarship.
requires an academic scholarship.
The FAFSA could help decide whether a student should receive student-specific financial aid. The correct option is B.
What is FAFSA?FAFSA is a Free Application for Federal Student Aid. This aid is given to the students who work with their studies. This financial aid is provided for grads and undergrads students.
Thus, the correct option is B, should receive student-specific financial aid.
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Answer:
B - should receive student-specific financial aid.
Explanation:
got it right
In the electrolysis of molten CaCl2, a current of 1.12 A is passed through the cell for 3.0 h. What is the mass of Ca produced at the cathode
Answer:
2.51 g of Ca.
Explanation:
From the question given above, the following data were obtained:
Current (I) = 1.12 A
Time = 3 h
Mass of Ca =?
Next, we shall convert 3 h to s. This can be obtained as follow:
1 h = 3600 s
Therefore,
3 h = 3h × 3600 s / 1 h
3 h = 10800 s
Next, we shall determine the quantity of electricity flowing through the solution. This can be obtained as follow:
Current (I) = 1.12 A
Time = 10800 s
Quantity of electricity (Q) =?
Q = It
Q = 1.12 × 10800
Q = 12096 C
Next, we shall determine the quantity of electricity needed to deposit 1 mole (i.e 40 g) of Ca. This can be obtained as follow:
In solution, CaCl₂ will dissociate as follow:
CaCl₂(aq) <—> Ca²⁺(aq) + 2Cl¯(aq)
Ca²⁺(aq) + 2e –> Ca(s)
From the equation above, 2 moles of electrons is required to deposit 1 mole (i.e 40 g) of Ca.
Recall:
1 e = 1 faraday = 96500 C
1 e = 96500 C
Therefore,
2 e = 2 × 96500 C
2 e = 193000 C
Thus, 193000 C of electricity is needed to deposit 40 g of Ca.
Finally, we shall determine the mass of Ca deposited by 12096 C. This can be obtained as follow:
193000 C of electricity is needed to deposit 40 g of Ca.
Therefore, 12096 C of electricity will deposit = (12096 × 40)/193000 = 2.51 g of Ca.
Thus, 2.51 g of Ca is deposited at the cathode.
2. Petroleum is used to make
a. heating oil.
b. kerosene.
c. gasoline.
d. all of the above
Answer:
D. all of the above
Explanation:
Petroleum is used to make heating oil, kerosene, and gasoline. therefore all of the above is correct, Option D. This is further explained below.
What is Petroleum?Generally, Petroleum is simply defined as a liquid combination of hydrocarbons found in a geological layers and then extracted and purified to generate fuels such as petrol.
In conclusion, Petroleum is used to produce a number of products e.g a. heating oil, kerosene, and gasoline.
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Chlorine would most likely
Answer:
What?
Explanation: