Name the type of chemical reaction : CaO(s) + H2O(l) -----------Ca(OH)2(aq)
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Related Questions
A rigid canister holds 50.0 L of helium gas at 32.0°C and 49.9 kPa. The gas is cooled until the pressure reaches 14.2 kPa. What is the Kelvin temperature of the helium?
If light has a frequency of 2.4 x 10 to the 14th Hz what is it’s wavelength?
particles that have enough energy to break free from each other and move around freely and spread out from each other is a gas or liquid?
Many common household substances may be classified as acids or bases. According to the pH scale,A) baking soda is a weak base while bleach is a strong baseB) coffee is a weak acid while drain cleaner is a strong acidC) oven cleaner is a weak acid while battery acid is a strong acidD) soft drinking water is a weak base while soapy water is a strong base
And then, explain why you chose your answer.
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In a chemical change, chemical properties change and new products are formed. In burning, coal is obtained, and the chemical properties change of any substance, be it wood, charcoal or anything. Gas is also evolved, which shows that a chemical change has taken place.
OB 1s22s22p63s23p6
OC 1s22s22p63s2305
OD 1s22s²2p63s23d10452
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Answer:
1s2 2s2 2p6 3s2 3d5 is a pseudo-noble-gas electron configuration
Explanation:
It is the technetium with atomic number 43. Being the lightest element having isotopes with all radioactive and no one are more stable as compared to that of technetium which is in fully ionised state i.e. 97 Tc. This element is mostly used for gamma ray emission in medical treatment. Also found to be used as corrosion inhibitor in case of steel, when present in small amount gives better result. This metal is silver grey colour that is found to discoloration when comes in contact with moist air. Its isotopes are radioactive.
Answer:
1s2 2s2 2p6 3s2 3p6 3d10
Explanation:
A pseduo noble gas configuration refers to charged species with electron configurations that are almost identical to that of one of the noble gases.
The noble gas (n-1)d^10 (where n refers to the principal quantum number of the outer s orbital) configuration of ions is commonly known as a pseudo noble gas configuration. The configuration stated in the answer is for Cu^+ ion. n in the case of Cu^+ ion is 4(since copper metal has a 4s1 level).
Note that; 1s2 2s2 2p6 3s2 3p6 is the electron configuration for argon, followed by 3d^10. Hence our definition for a pseudo noble gas.
B. 0.250 mole LiCl dissolved in 250 ml of solution
C. Both the same
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The higher concentrated solution is 0.250 mole LiCl dissolved in 250 ml of solution
( B).0.250mole of LiCl diluted in 250ml solution
Explanation:
Procedure to find the intensity of the solution:
To find the intensity of the solution, we have to use the following formula
M1V1=M2V2
250mL of a 0.500 M aqueous solution of LiCl is diluted with water
250 ml of a 0.250M aqueous solution of LiCl is diluted with water
Thus the PH level of a solution increases from ascending order, Therefore the Solution with 62.5M is a higher concentration than that of the solution with 125M.
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The second example is lighting a candle in a room it the smoke spreads through the air.
Smoke can be very bad for the air and the people around because it can cause many problems with your breathing.
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Answer:
6m
Explanation: