Answer: The order of increasing energy is: radio < infrared < red < blue < UV < x rays
Explanation:
Electromagnetic wave is defined as the wave which is associated with both electrical and magnetic component associated with them.
The electromagnetic radiations consist of gamma rays , X rays , Ultraviolet , Visible , Infra red , microwaves and radio waves arranged in order of decreasing frequency and increasing wavelengths. The visible region consists of violet , indigo , blue , green , yellow, orange and red lights in order of decreasing frequency or increasing wavelength
The relationship between energy and frequency of the wave follows the equation:
[tex]E=h\times \nu[/tex]
where,
[tex]\nu[/tex] = frequency of the wave
E = energy of wave
From the above relation, it is visible that energy and frequency follow direct relation. For increase in value of frequency, energy increases and vice-versa.
Thus the order of increasing energy is: radio < infrared < red < blue < UV < x rays
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If you know, answer this. If you don’t know this, don’t second guess
Answer:
1 and the element is hydrogen (there is an exception for the octet rule for the element hydrogen) hope this helps
Explanation:
Counting Atoms in Compound 8cl2o
is clorox an acid or base?
Answer:
Chlorine bleach is strongly basic. We actually make it by dissolving chlorine gas in a concentrated solution of sodium hydroxide, which forms sodium hypochlorite and sodium chloride, in the following equilibrium.
Explanation:
BTS ARMY
g Hydrogen iodide, HI, decomposes at moderate temperatures according to the equation The amount of I2 in the reaction mixture can be determined from the intensity of the violet color of I2; the more intense the color, the more I2 in the reaction vessel. When 3.80 mol HI was placed in a 5.00-L vessel at a certain temperature, the equilibrium mixture was found to contain 0.443 mol I2. What is the value of Kc for the decomposition of HI at this temperature
Answer:
Equilibrium constant, Kc = 0.023
Explanation:
Equation for the decomposition of Hydrogen iodide is given below:
2HI ----> H₂ + I₂
Initially, the number of moles of the reactant and the products are given as follows:
n(HI) = 2 * 3.800 moles = 7.600 moles
nH₂) = 0.000 moles
n(I₂) = 0.000 moles
At equilibrium, the equation becomes: 2HI <----> H₂ + I₂
Number of moles of the reactant and the products are given as follows:
n(HI) = 7.600 - (0.886 + 0.886) moles = 5.828 moles
nH₂) = 2 * 0.443 = 0.886 moles
n(I₂) = 2 * 0.443 = 0.886 moles
Equilibrium constant, Kc = [H₂] [I₂] / [HI]²
Equilibrium constant, Kc = (0.886) * (0.886) / (5.828)²
Equilibrium constant, Kc = 0.023
Please answer by the number ! I will mark any correct answer brainliest :)
Answer:
36 joules is the answer
1/2mv^2
1/2* 8*3*3
4*9
36joules
what are the two elements found in silicon dioxide
I NEED HELP!!!!! IM TIMEDDDD! HELP PLZZZZ!!!!
Answer:
a
Explanation:
Increased concentrations of greenhouse gases will lead to HIGHER global temperatures.
True
or
False
Answer:
[tex]\huge\boxed{\sf True}[/tex]
Explanation:
If the concentrations of greenhouse gases keep increasing, They will absorb more and more long wave energy coming from the sun and radiating from the earth's surface and thus will cause an increase in temperature.
[tex]\rule[225]{225}{2}[/tex]
Hope this helped!
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Suppose an EPA chemist tests a 250.mL sample of groundwater known to be contaminated with nickel(II) chloride, which would react with silver nitrate solution like this: NiCl2(aq) + 2AgNO3(aq) → 2AgCl(s) + NiNO32(aq) The chemist adds 15.0mM silver nitrate solution to the sample until silver chloride stops forming. He then washes, dries, and weighs the precipitate. He finds he has collected 5.8mg of silver chloride. Calculate the concentration of nickel(II) chloride contaminant in the original groundwater sample. Round your answer to 2 significant digits.
Answer:
0.0010 w/v %
Explanation:
Based on the reaction:
NiCl₂(aq) + 2AgNO₃(aq) → 2AgCl(s) + Ni(NO₃)₂(aq)
Finding the moles of AgCl produced we can find the moles of NiCl in the reaction medium and its mass:
Moles AgCl -Molar mass: 143.32g/mol-:
5.8mg = 5.8x10⁻³g * (1mol / 143.32g) = 4.047x10⁻⁵ moles AgCl
Moles NiCl₂:
4.047x10⁻⁵ moles AgCl * (1mol NiCl₂ / 2mol AgCl) = 2.023x10⁻⁵ moles NiCl₂
Mass NiCl₂ -Molar mass: 129.60g/mol-:
2.023x10⁻⁵ moles NiCl₂ * (129.60g / mol) = 2.62x10⁻³g of NiCl₂ are produced.
And the concentration in w/v% is:
2.62x10⁻³g NiCl₂ / 250mL * 100 =
0.0010 w/v %describe which process in the water cycle the water in each picture will go through next will go through next.
Answer:
water vapour I guess I the answer of your question
PLZZZZ HELPP NOWW!!
According to the law of conservation of mass, what is the mass of water
formed in this reaction?
H2
+
02
32.00 g
2H20
?
2.02 g
A. 36.04 grams
B. 55.92 grams
C. 72.08 grams
D. 27.96 grams
Answer:
The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations.
According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
The law of conservation of mass is useful for a number of calculations and can be used to solve for unknown masses, such the amount of gas consumed or produced during a reaction.
Answer:
A. 36.04 grams
Explanation:
A.P.E.X
What is the name or symbol of the element in group 17 and
period 3 of the periodic table?
Answer:
Chlorine
Explanation:
Chlorine is the element located in period 3, group 17 of the periodic table.
Use Lewis dot structures to show the ionic bonding in the following pairs of elements. Show the transfer of electrons using arrows. Write the correct chemical formula for the ionic compound that forms.
1) barium oxide (Ba and O)
2) sodium oxide (Na and O)
3) calcium chloride (Ca and Cl)
4) sodium nitride (Na and N)
5) aluminum oxide (Al and O)
6) magnesium phosphide (Mg and P)
Answer:
See explanation
Explanation:
A Lewis structure is a representation of atoms of elements using dots. These dots show the number of outermost electrons in the atom. These outermost electrons are involved during ionic bonding.
We can see from the image attached that in ionic bonding, electrons are transferred from the metal to the non metal to form the ionic compound. Arrows have been used to show the transfer of electrons from metals to non metals.
Which states have no oil or gas production?
Answer:
Georgia and minessota
Explanation:
they have no production
Convert 23.92 mm to meter
Answer:
0.02392 m
Explanation:
Kilo - Hecto - Deka - Meters/Liters/Grams - Deci - Centi - Milli
23.92 mm ---> 0.02392 m
Basically move the decimal 3 units to the left.
Hope this helps and stay safe, happy, and healthy, thank you :) !!
What is the invisible area of force extending out from the poles?
Magnetic field
Solenoid
Magnets
Current flow
Answer:
Magnetic field
Explanation:
The type of potential energy related to an object's height
Answer:
the answer is gravitational potential energy
Answer:
Since the gravitational potential energy of an object is directly proportional to its height above the zero position, a doubling of the height will result in a doubling of the gravitational potential energy. A tripling of the height will result in a tripling of the gravitational potential energy.
Explanation:
Hope this helps?
Balanced or Unbalanced? Write a “B” for Balanced and a “U” for Unbalanced.
______ 11.CH4 + O2 à CO2 + 2 H2O
______ 12. NaBr + CaF2 à NaF + CaBr2
______ 13. 4 Fe + 3 O2 à 2 Fe2 O3
help, if anyone knows the correct answer??
PLS HELP TEST IS TIMED!!
The temperature of a solution can change the solubility of a substance. The chart shows the solubility of the same solute at different temperatures in water.
A 3-column table with 4 rows. The first column labeled solution has entries W, X, Y, Z. The second column labeled temperature degrees C has entries 40, 59, 55, 48. The third column labeled grams per 100 grams of water has entries 50, 200, 150, 80.
Based on the chart, which solution was at the optimal temperature to allow for the greatest solubility?
Answer:
Temperature can change the solubility of a solute.
Explanation:
Answer:
Temperature can change the solubility of a solute.
Explanation:
A sample of hydrogen gas has a volume
of 65.0 mL at a pressure of 0.992 atm
and a temperature of 16°C. What
pressure will the hydrogen gas have
with a volume of 68.0mL and a
temperature of 25°C?
Answer:
. A sample of hydrogen has a volume of 65.0 mL at a pressure of 0.992 atm and a temperature of 16°c. What volume will the hydrogen occupy at 0.984 atm and 25°c? 2. A sample of nitrogen collected in the laboratory occupies a volume of 725 mL at a pressure of 0.971 atm. What volume will the gas occupy at a pressure of 1.40 atm, assuming the ...
Explanation:
Help help help !!!!!!
Answer:
3. 116.5 V
4. 119.6 V
Explanation:
3. Determination of the voltage.
Resistance (R) = 25 Ω
Current (I) = 4.66 A
Voltage (V) =?
V = IR
V = 4.66 × 25
V = 116.5 V
Thus, the voltage is 116.5 V
4. Determination of the voltage.
Current (I) = 9.80 A
Resistance (R) = 12.2 Ω
Voltage (V) =?
V = IR
V = 9.80 × 12.2
V = 119.6 V
Thus, the voltage is 119.6 V
How many molecules are there in 4.3 moles of calcium sulphate ?
Answer:
The law companies that value excessive ethics comply with the legal guidelines not solely in letter however go past what is stipulated 1 My proudest accomplishment is organizing a donation pressure aimed at helping the less fortunate humans skills
Explanation:
My bedroom is very clean and big closest it color
Describe the process of two neutral atoms forming an ionic bond
oops... sorry... I need to delete this response. I was trying to answer a different question,
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what element is this?????/
Answer:
Helium
Explanation:
Answer:
the element is helium as it's mass number is 4 and number of electrons is equal to it's atomic no. which is 2
Help! What is this question I do not understand
Answer:
A 70%
B 92%
C 87%
D 79%
Explanation:
This excercise is about dividing water by liquid.
PLEASE HELP ME PLEASE!!
Answer:
1: f 2: b 3: d 4: e 5:a 6:c
Explanation:
What does the article “Absolute Zero” tell us about what temperature really means?
Answer:
Absolute zero, technically known as zero kelvins, equals −273.15 degrees Celsius, or -459.67 Fahrenheit, and marks the spot on the thermometer where a system reaches its lowest possible energy, or thermal motion. There's a catch, though: absolute zero is impossible to reach.
Explanation:
What would be the mass in amu of 150 atoms of carbon?
Answer:
Do you mean the periodic table? The atomic mass of carbon is 12 and oxygen is 16.
If I understand you right though, what you’re looking for is what oxygen’s mass would be in a certain unit of measurement with which carbon weighs 150 units.
In regular atomic mass units carbon’s mass is 12 and oxygen’s is 16, so oxygen’s mass is 4/3 times carbon’s mass. In our new unit of measurement where carbon weights 150 units, oxygen would weigh 150 * 4/3 = 200 units.