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solong [7]
4 years ago
12

Why leaves often contain starch

Chemistry
1 answer:
Anastasy [175]4 years ago
7 0

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What happens in the artificial transmutation of an element? Include an example.
Mice21 [21]
What happens in the artificial transmutation is that the nucleous is bombarded with high energy particles which we can describe as kinetic energy and the idea for them is to induce what we call transmutation. Also what happens is that the high energy particles are accelerated. One of the examples is when nitrogen is transformed into hydrogen by combining its nucleous with an alpha particle
6 0
3 years ago
Which of the following is an intensive property of a sample of water
lakkis [162]
Water is a liquid which was made from a gas but if you freeze it you would get a solid but if you leave it in a warm place you would get a liquid so that is the intensive property of a sample of water.<span />
4 0
3 years ago
Determine the amount in grams of kcl that exists in 20.3 g of a solution that contains 1.14 % KCI by mass.
artcher [175]

Answer:

0.23 g

Explanation:

From the question given above, the following data were obtained:

Mass of solution = 20.3 g

Percentage by mass of KCl = 1.14%

Mass of KCl =?

The mass of KCl in the solution can be obtained as follow:

Percentage by mass = mass of solute / mass of solution × 100

1.14% = mass of KCl / 20.3

Cross multiply

Mass of KCl = 1.14% × 20.3

Mass of KCl = 1.14/100 × 20.3

Mass of KCl = 0.0114 × 20.3

Mass of KCl = 0.23 g

Therefore, the mass of KCl in the solution is 0.23 g

6 0
3 years ago
Which factor is likely to impact the possible number of compounds?
frozen [14]

Answer:

Presence of unlimited number of elements in the periodic table The inability of atoms to align perfectly with other atoms The ability of all elements to react with every other element All elements being equally reactive.

6 0
3 years ago
What do isotopes of an element contain?
My name is Ann [436]

Answer:

Explanation:

An isotope is a form of a chemical element whose atomic nucleus contains a specific number of neutron s, in addition to the number of proton s that uniquely defines the element. The nuclei of most atom s contain neutrons as well as protons

5 0
3 years ago
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