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What mass of calcium oxide will be obtained by heating 3 mol of caCO3?
3 mol CaCO3 will produce 3 mol CaO (and 3 mol CO2) on dry-heating. So 3 times the molar mass of CaO (56,1 g/mol) which is 168 g CaO
What are the 3 conditions that make life on earth possible?
the earth
Which heating element is used in a heater?
Heating element is the main part of the ironbox which gets heated as current passes through it. We have to use the material for heating element with features such as: 1) high melting point 2) high specific resistance 3) not easily oxidised. (most important point) Hence the alloy NICHROME ( nickel and chromium) is used for heating element because it is not oxidised even at high temperatures.
What are 3 rapid changes to the earth's surface?
These are rapid changes to the earth's surface:VolcanoesEarthquakesTsunami
What pecent of the earth is water?
73% of the Earth is water, which is about 3/4.
How many ways can you divide 12?
For even results:12 divided by 112 divided by 212 divided by 312 divided by 412 divided by 612 divided by 12For uneven results, decimals, or percentages you can use any number to divide it by.
What causes uneven heating of the Earth's surface?
This is caused by the earth's tilt. Vertical rays of the sun hit the earth at points between 23.5 degrees of the equator. Where ever the radiation is perpendicular to the surface, radiation is being maximized, and therefore must be transported elsewhere around the earth to account for this uneven heating. 1) the amount of sunlight falling on the surface per unit area (say square foot): thus time of day, angular displacement from vertical for the sun (how close to the poles vs the equator AND the season). 2) the amount of light energy that get absorbed vs reflected back up. (e.g., snow reflects almost all the light, sea water (dark) absorbs most) 3) the specific heat of the substance that the light is striking. (it's hard to heat up water, easy to heat stone) 4) Cloud cover.
How do you describe a scalene triangle?
3 uneven sides 3 corners
What 3 uneven numbers added =30?
33
How 42 pigs get into 7 buckets in uneven number?
Uneven does not necessarily mean odd. It can also mean unequal. So, buckets with 3, 4, 5, 6, 7, 8, 9 pigs can be said to have an uneven number in each.
What causes uneven heating of earths surfaces?
This is caused by the earth's tilt. Vertical rays of the sun hit the earth at points between 23.5 degrees of the equator. Where ever the radiation is perpendicular to the surface, radiation is being maximized, and therefore must be transported elsewhere around the earth to account for this uneven heating. 1) the amount of sunlight falling on the surface per unit area (say square foot): thus time of day, angular displacement from vertical for the sun (how close to the poles vs the equator AND the season). 2) the amount of light energy that get absorbed vs reflected back up. (e.g., snow reflects almost all the light, sea water (dark) absorbs most) 3) the specific heat of the substance that the light is striking. (it's hard to heat up water, easy to heat stone) 4) Cloud cover.
Identify the uneven distribution of wealth as a market failure?
someone answer, we need this too! <3
What is an uneven integer?
They are the odd integers such as 1 3 5 7 9 ... etc
On trace heating 415 Volts if you lose a phase on a 3 phase system what percent of heating have you losed?
1/3 rd lost
How many sides does a scalene have triangle?
3 sides it is still a triangle but all sides are uneven
What is a remainder?
A remainder is the fraction left over as a result of dividing an uneven number. 52 ÷ 3 = 17 with a remainder of 1/3.
What unit of time results from one earth seasonal rotation?
A day. seasonal? 3 months? one rotation is 24hrs. one revolution is 1 year.
