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hjlf
4 years ago
7

Scientific predictions based on laws are formulated using:

Chemistry
2 answers:
Margarita [4]4 years ago
7 0
Your answer should be A. Deductive reasoning
Stolb23 [73]4 years ago
6 0
<h3>Scientific predictions based on laws are formulated using <u>(A) Deductive Reasoning. </u></h3><h3 />

This is because deductive reasoning is insight gained from an established principle or laws.

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An element has five valence electrons available for bonding.this element is most likely which of the following?
MrRa [10]
Carbon most likely !
4 0
4 years ago
CAN HF USED TO CLEAVE ETHERS EXPLAIN
PilotLPTM [1.2K]

Answer:

no

Explanation:

Fluoride is not nucleophilic (having the tendency to donate electrons) enough to allow for the use of HF to cleave ethers in protic media(protic solvents are polar liquid compounds that have dissociable hydrogen atoms). The rate of reaction is comparably low, so that heating of the reaction mixture is required.

4 0
3 years ago
1. Each bag of flour is 8.9 grams. What is the weight of 4 bag of flour?​
Serggg [28]

Answer:

8.9g×4=35.6g

Explanation:

follow please

5 0
3 years ago
How do the molecules in a liquid behave?
inn [45]

Answer:

in a liquid, particles will flow or glide over one another, but stay toward the bottom of the container.

Explanation:

the attractive forces between particles are strong enough to hold a specific volume but not strong enough to keep the molecules sliding over each other.

7 0
4 years ago
Read 2 more answers
Carbon disulfide is prepared by heating sulfur and charcoal. The chemical equation is S2(g)+C(s)↽−−⇀CS2(g)????c=9.40 at 900 K Ho
Maru [420]

Answer : The mass of CS_2 is, 555.028 grams

Explanation :

First er have to calculate the concentration of S_2.

\text{Concentration of }S_2=\frac{\text{Moles of }S_2}{\text{Volume of solution}}=\frac{8.08mole}{5.35L}=1.51mole/L

Now we have to calculate the concentration of CS_2.

The given balanced chemical reaction is,

                          S_2(g)+C(s)\rightleftharpoons CS_2(g)

Initial conc.         1.51       0         0

At eqm. conc.   (1.51-x)  (x)       (x)

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[CS_2]}{[S_2]}

Now put all the given values in this expression, we get :

9.40=\frac{x}{(1.51-x)}

By solving the term 'x', we get :

x = 1.365 M

Concentration of CS_2 = x M = 1.365 M

Now we have to calculate the moles of CS_2.

\text{Moles of }CS_2=\text{Concentration of }CS_2}\times \text{Volume of solution}=1.365mole/L\times 5.35L=7.303mole

Now we have to calculate the mass of CS_2.

Molar mass of CS_2 = 76 g/mole

\text{Mass of }CS_2=\text{Moles of }CS_2}\times \text{molar mass of }CS_2}=7.303mole\times 76g/mole=555.028g

Therefore, the mass of CS_2 is, 555.028 grams

3 0
4 years ago
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