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svet-max [94.6K]
2 years ago
13

Can somebody please help me!!!

Chemistry
1 answer:
Verizon [17]2 years ago
3 0

Answer:

javier applied force how this helps

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60 grams of ice will require _____ calories to raise the temperature 1°C.
guajiro [1.7K]

Answer:

60 grams of ice will require 30.26 calories to raise the temperature 1°C.

Explanation:

The amount of heat (Q) to raise the temperature of 60.0 g of ice by 1°C can be calculated from:

<em>Q = m.c.ΔT,</em>

where, Q is the amount of heat released or absorbed by the system.

m is the mass of the ice (m = 60.0 g).

c is the specific heat capacity of ice (c = 2.108 J/g.°C).

ΔT is the temperature difference (ΔT = 1.0 °C).

∴ Q = m.c.ΔT = (60.0 g)(2.108 J/g.°C)(1.0 °C) = 126.48 J.

<em>It is known that 1.0 cal = 4.18 J.</em>

<em>∴ Q = (126.48 J)(1.0 cal / 4.18 J) = 30.26 cal.</em>

7 0
3 years ago
Water containing large amounts of Mg2+and Ca2+ions is said to be hard because it is hard to make soap lather in the water. True
mafiozo [28]

Answer:True

Explanation:

Water is said to be hard when it contains calcium ions or magnesium ions dissolved in it. These ions are able to react with soap in such a way that the soap is prevented from forming lather with the water. Hard water occurs when water passes over calcium or magnesium bearing minerals and dissolves some of it. Hardness due to the presence of calcium ions can easily be removed by boiling the water.

8 0
3 years ago
An atom contains 5 protons, 6 neutrons, and 6 electrons. What is the mass<br> number of this atom? *
Tju [1.3M]

Answer:

here you go

Explanation:

Atomic Number (Z) = Mass Number (A) - Number of Neutrons An atom has 5 protons, 5 electrons and 6 neutrons The atomic number = number of protons = number of electrons = 5 The mass number = 5 protons + 6 neutrons = 11

6 0
2 years ago
Diabetes mellitus chacterized by too much glucose buildup in the blood. In
ella [17]
Not exactly sure of the question your asking.

diabetes insipidus (more commonly known simply as diabetes)
Defined:
The pancreas fails to produce the correct amount of insulin which is needed to control the amount of glucose, or sugar needed in the blood.

Diabetes mellitus: a rare condition & more importantly has nothing do do with the pancreas or blood sugar.
6 0
2 years ago
CHEMISTRY HELP!
Serga [27]
C: The electron moves to a lower energy level
8 0
3 years ago
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