An aqueous solution of na cos saturates at 300 k to form, nazco3.3h2o crystals. 10 kg/h of 35 mass% aqueous solution enters a continuous evaporative crystallizer at 335 k and 1.5 kpa additional information: b. the boiling point rise of the solution is 12 k c. the heat of crystallization is 175 kj/kg d. the mean heat capacity of the solution is 4.2 kj/kg e. at 1.5 kpa water boils at 286 k and the latent heat of vaporization is 2470 kj/kg over the temperature ra nge 270 k and 350 k the solubility of nazsos in water f. is given by: solubility 0.55 t-127.6 kg/100 kg water a schematic diagram that depicts the crystallization process showing all the 1.1. draw entering and leaving streams with the given information. 1.2. determine the actual evaporation rate. determine the yield of crystals and solution formed using the mass balance method

- calcium has greater affinity to bond with electron receptors than hydrogen does and hence, it has the ability to replace hydrogen in most of its compounds.

- lithium has 2 valence electrons in the product because it can make only 1 bond with hydrogen. beryllium has 4 valence electrons in the product because it can only make 2 bonds. it has fewer electrons than neon and can react with electron donors. each hydrogen has 2 valence electrons, the same as helium.

- the covalent bond formed between carbon and hydrogen is polar because carbon is more electronegative than hydrogen and it attracts the bonded electron pair closer to itself, thus giving hydrogen a partial positive charge.

- a hydrogen bond is a relatively weak bond that hydrogen atoms make with the electronegative atoms nitrogen, oxygen or fluorine.

so the best choice is a.) 2 calcium (ca) atoms

answer: mole of the gas

answer: mole of the gasexplanation:

considering the question as per the attachment

here we can see that the radon nuclide has 222 as the atomic mass number and 86 as the atomic number.

when it undergoes nuclear fission it gives polonium which has atomic mass number as 218 and atomic number will be 84 along with a helium nucleus which has 4 atomic mass number and 2 as its atomic number.

222 = 218 + 4 (atomic mass number)

86 = ? + 2; therefore ? = 86-2 = 84.

the atomic mass number of polonium will be 84.