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lara [203]
2 years ago
8

The reactivity of elements can be predicted based on the position of an element in the periodic table. Based on the periodic tab

le, which of the following elements would be expected to be the most reactive?
Iodine (I)
Iodine (I)

Chlorine (Cl)
Chlorine (Cl)

Fluorine (F)
Fluorine (F)

Bromine (Br)
Chemistry
1 answer:
Viefleur [7K]2 years ago
4 0

Answer:

Chlorine (Cl) is most reactive out the the listed elements.

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18.
Leno4ka [110]

Answer:

It helps the body remove heat through sweating.

Explanation:

When the weather is hot, the body tries to keep cool by sweating. The high specific heat capacity means that the body doesn't have to lose much water to stay cool.

The high specific heat capacity of water doesn’t heat the body, but it slows down the rate of heat loss when the weather is cool.

B is wrong. The body uses glucose, not water, as an energy source.

C is wrong. The high specific heat capacity of water is not connected with the body's ability to store it.

D is wrong. The high specific heat capacity of water doesn't heat the body, but it slows the rate at which it cools.

6 0
2 years ago
Read 2 more answers
Given the following balanced equation, determine the rate of reaction with respect to [Cl2]. If the rate of Cl2 loss is 4.44 × 1
PolarNik [594]

Answer:

8.88 x 10⁻² M/s

Explanation:

The rate  of reaction for:

                    NO(g) + Cl₂ (g) ⇒  2NOCl(g)

is rate = -ΔNO/Δt = -ΔCl2/Δt = 1/2 ΔNOCl/Δt

so  ΔNOCl/Δt = 2 ΔCl2/Δt  = 2  x 4.44 × 10⁻²  M/s = 8.88 x 10⁻² M/s

In general given a reaction

                            aA + bB ⇒ cC + dD

rate = -1/a ΔA/Δt = -1/b ΔB/Δt = 1/c ΔC/Δt = 1/d ΔD/Δt

8 0
3 years ago
Which property describes a mixture? select three options. it can be separated by physical methods. it has a single chemical comp
Semmy [17]

The property of mixture which describes a mixture are it can be separated by physical methods, it can appear different from different sources and it cannot be described by a chemical symbol or formula.

<h3>What are mixtures?</h3>

Mixtures are the compounds which are formed by the addition or combination of one or two elements or compounds.

As in the mixtures many states of matters are present and it will be filtered by using various physical methods, and it is not chemically shown by single chemical symbol or formula. Mixtures are also of two types:

  • Homogeneous mixtures are those in which equal compositions all over the volume is present.
  • Heterogeneous mixtures are those in which different composition all over the volume is present.

Hence options (1), (3) and (4) are correct.

To know more about mixtures, visit the below link:

brainly.com/question/24647756

5 0
1 year ago
Which products were produced or raised in large amounts on the prairie?
slavikrds [6]
The correct answer is, tobacco.
3 0
3 years ago
Read 2 more answers
If 11.0 g of MgSO4⋅7H2O is thoroughly heated, what mass of anhydrous magnesium sulfate will remain?
skelet666 [1.2K]
Molar mass MgSO₄.7 H₂<span>O = 246.52 g/mol

number of moles :

11.0 / 246.52 => 0.0446 moles

Molar mass MgSO</span>₄ = 120.4 g/mol

Mass of <span>anhydrous magnesium sulfate :
</span>
( 0.0446 x 120.4 ) => 5.36984 g

hope this helps!
4 0
3 years ago
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