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Katen [24]
3 years ago
6

How many grams of the excess reagent are left over if 37.8g of Cl2 react with 39.4 g of NaF?

Chemistry
1 answer:
tia_tia [17]3 years ago
5 0

Answer:

Explanation:

Panther how many million vacation bigger than I think a 20 kg in the

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GIVING 50 POINTS IF ANSWERED IN 10 MINUTES
nlexa [21]

Answer: Develop and use a model to describe why asexual reproduction results in offspring with identical ... Statement: Emphasis is on using models such as Punnett squares, diagrams, ... 2. Because both parents are likely to contribute different genetic information, offspring.

Explanation: I hoped that helped!

8 0
3 years ago
Choose all the answers that apply.
PilotLPTM [1.2K]

Answer:

Fluorine is a <em>non-metal, fills its shell by gaining one electron </em>and<em> becomes a negatively charged ion.</em>

Explanation:

Fluorine have seven electrons in its outermost shell. This means that fluorine is located in Group 17(<em>Halogens</em>) in the Periodic Table. Note that halogens are non-metal elements. So fluorine is a non-metal.

Fluorine fills its shell by gaining one electron because it only needs one electron to achieve stable octet electron arrangement. ( it's easier to gain one electron than to lose all seven electrons in the outermost shell)

As fluorine atom gain one electron to achieve stable octet electron arrangement, its number of electrons becomes greater than its number of protons. So it becomes a negatively charged ion.

6 0
4 years ago
A student prepared a stock solution by dissolving 20.0 g of NaOH in enough water to make 150. mL of solution. She then took 15.0
pav-90 [236]

Answer:

0.769\ \text{M}

Explanation:

Mass of stock solution = 20 g

Molar mass of NaOH = 40 g/mol

Volume of stock solution = 0.150 mL

M_2 = Concentration of NaOH for the final solution

V_1 = Amount of stock solution taken = 15 mL

V_2 = Total volume of solution = 65 mL

Molarity is given by

M_1=\dfrac{\text{Mass}}{\text{Molar mass}\times \text{Volume}}\\\Rightarrow M_1=\dfrac{20}{40\times 0.15}\\\Rightarrow M_1=\dfrac{10}{3}

We have the relation

M_1V_1=M_2V_2\\\Rightarrow M_2=\dfrac{M_1V_1}{V_2}\\\Rightarrow M_2=\dfrac{\dfrac{10}{3}\times 15}{65}\\\Rightarrow M_2=0.769\ \text{M}

The concentration of NaOH for the final solution is 0.769\ \text{M}.

5 0
3 years ago
The following reaction: HF(aq) &lt;--&gt; H+(aq) + F-(aq) has an equilbirum constant (K) value of 7.2 x 10-4. This means that th
andriy [413]

Given an equilibrium constant value of 7.2 x 10-4 it is false to say that the reaction proceeds essentially to completion.

<h3>What is the equilibrium constant?</h3>

In a reaction, we can judge using the value of the equilibrium constant weather or not the reaction moves on to completion. If the reaction moves up to completion, it the follows that the value of the equilibrium constant ought to be large.

On the other hand, when we have a case that the equilibrium constant is small and is not so large, then the reaction does not proceed essentially to completion.

Given an equilibrium constant value of 7.2 x 10-4 it is false to say that the reaction proceeds essentially to completion.

Learn more about equilibrium constant:brainly.com/question/10038290

#SPJ1

6 0
2 years ago
11 points In your lesson today you learned that items can be dissolved faster when
algol [13]

Answer:

The answer is D.) All of the above

Explanation:

Hope this helps :))

4 0
4 years ago
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