bsci-ch.org: The 3 chemical symbols space K,
Atomic number is characterized as the number of electrons or protons that are existing in a neutral atom. The is stood for by Z.
You are watching: Write the chemical symbols for three different atomic cations that all have 10 protons.
When a neutral atom looses electrons, it leads to the formation of optimistic ions recognized as cations and when a neutral atom profit electrons, it leads to the formation of negative ions well-known as anions.
So, the atom having actually atomic number 19 is potassium. Its chemical symbol is "K"
Titanium is the 22nd facet of the periodic table. So, when this atom looses 3 electrons it will have actually 19 electron in its orbit. Thus, the cation created will it is in
Vanadium is the 23rd element of the routine table. So, once this atom looses 4 electrons it will have actually 19 electrons in its orbit. Thus, the cation developed will it is in
Hence, the three chemical symbols space K,
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How many grams of ice cream at -13 deg C need to be included to 711 grams that water the is initially at a temperature of 87 deg C to produce
The bsci-ch.org come your question is m = 4.7 kg
mass = ? fixed = 711 g
T₁ = -13°C T₁ = 87°C
T₂ = 10°C T₂ = 10°C
Ch = 2090 J/kg°K Cw = 4180 J/kg°K
1.- convert temperature to kelvin
T₁ = 273 + (-13) = 260°K
T₁ water = 87 + 273 = 360 °K
T₂ = 10 + 273 = 283°K
2.- compose the equation of interchange of heat
- warmth lost = warm absorbed
- mwCw(T₂ - T₁) = miCi(T₂ - T₁)
- 0.711(4180)(10 - 87) = m(2090)(10 - (-13))
228842.46 = 48070m
m = 228842.46/48070
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Two varieties of organic reactions are(1) enhancement and sublimation
Esterification and polymerization
Organic reactions space chemical reactions connected with essential compounds (compounds of carbon).
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so enhancement is a type of organic reaction.
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B the diameter that the balloonthe dependant variable is the point that alters as a result of what has been done to it. In this instance the diameter that the balloon will adjust once the experiment has actually been done.the temperature of the balloon would be the independant variable thus the bsci-ch.org is not A. (the balloon transforms shape as the air increases when heated, or deflates as soon as the temperature decreases)the amount of wait is the manage variable as it wouldn"t it is in a fair test if the diameters weren"t the very same to begin with, so that isnt choice B.i have actually no clue why alternative D is there, yet it i will not ~ make sense that the amount of balloons would change.therefore the bsci-ch.org is choice B