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3 years ago

Carbon is ideally suited to form ionic bonds. True or false.

1 answer:

5 0

It is a completely false statement that carbon is ideally suited to form ionic bonds. The correct option among all the options that are given in the question is the second option. Carbon is ideally suited to form covalent bonds. I hope that this is the answer that has actually come to your desired help.

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4. Which statement is true about alkali metals?

Svet_ta [14]

I think its most likely to be A,

8 0

4 years ago

Read 2 more answers

The water for the pan is not saturated with co2. will the reported percent caco3 in the original sample be too high, too low, or

enot [183]

Co2 will dissolve in water if water is saturated with Co2 first then it will absorb some of CO2 it appear as less is absorb that was actually the case . this would make it appear as present of CACO3 is in original sample is lower than it will be too low

8 0

4 years ago

How does organisms get the energy needed

cluponka [151]

Answer:they get it though food!

Explanation:

7 0

3 years ago

The thermal decomposition of N2O5 obeys first-order kinetics. At 45°C, a plot of ln[N2O5] versus t gives a slope of −6.40 × 10−4

finlep [7]

Answer:

1,080 min

Explanation:

A first order reaction follows the law:

$rate=k[A]$ , where [A] is the concentraion of the reactant A.

Equivalently:

$\dfrac{d[A]}{dt}=-k[A]$

Integrating:

$\dfrac{d[A]}{[A]}=-kdt$

$\ln \dfrac{[A]}{[A_o]}=-kt$

Half-life means [A]/[A₀] = 1/2, t = t½:

t½ = ln (2) / k

That means that the half-life is constant.

The slope of the plot of ln [N₂O₅] is -k. Then k is equal to 6.40 × 10⁻⁴ min⁻¹.

Thus, you can calculate t½:

t½ = ln(2) / 6.40 × 10⁻⁴ min⁻¹

t½ = 1,083 min.

Rounding to 3 significant figures, that is 1,080 min.

5 0

3 years ago

Which type of heat island is

icang [17]

Answer:

a fast moving heat island

Explanation:

cause there is a high amount of heating molecule produced.

3 0

2 years ago