Biology

Biology, 17.09.2019 17:20, mirandaaa14

When water dissolved salt, which process is not involved

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Chemistry, 21.09.2019 19:30, kiaramccurty

Astudent dissolves equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water. which result is most likely? the salt dissolved fastest in the warm water. the salt dissolved fastest in the ice water. the salt dissolved in the same amount of time at all three temperatures. the salt dissolved fastest in the room-temperature water. i chose the first one but can someone double check for me? thx

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Chemistry, 25.09.2019 01:00, xbeatdroperzx

A1-m depth of stagnant water lies on top of a 0.35 cm thickness of nacl. at time t < 0, the water is pure. at time t 0, the salt begins to dissolve into the water. if the concentration of salt in the water at the solid-liquid interface is maintained at saturation (0.00685 mol nacl/cm3) and the diffusivity of nacl is 2.3c-005 cm2/s, independent of concentration, estimate, by assuming the water to act as a semi-infinite medium, the time of salt in the water when: (a) 10% of the salt has dissolved; ; (b) 50% of the salt has dissolved, and (c) 90% of the salt has dissolved. density of nacl 2.165 g/cm3. molecular weight of nacl 58.44 g/mol.

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Chemistry, 26.09.2019 02:50, jfy3341

Select all that apply. salt dissolved in water is a solution, therefore a. salt and water are chemically combined b. salt is not chemically bonded to water c. the quantity of salt and water is fixed d. the ratio of salt to water may vary e. salt and water retain their own chemical properties

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Chemistry, 01.10.2019 11:20, hipeopleitsme121

Select all that apply salt dissolved in water is a solution, therefore a.salt and water are chemically combined b.salt is not chemically bonded to water c.the quantity of salt and water is fixed d.the ratio of salt to water may vary e.salt and water retain their own chemical properties

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