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2 years ago

Subject is mental flexiblity

Chemistry

1 answer:

lubasha [3.4K]2 years ago

5 0

Answer:

A pineapples bananas

because you have to peel them

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Be strong

sesenic [268]

Nice written.

Is it written by you yourself or you have copied it from somewhere?

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3 years ago

Which characteristic is true of sexual reproduction but not of asexual reproduction?

Viktor [21]

Answer:

Sexual Reproduction involves two different parties

Explanation:

Asexual is the opposite, so it uses no one else to reproduce

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3 years ago

Read 2 more answers

How many atoms are in 27.0 grams of aluminum (Al)?

Dmitrij [34]

Answer:

none

Explanation:

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4 years ago

If you have 3.48 x 1023 formula units of Lead (II) Permanganate, what is its mass?

Tanya [424]

Answer:

$\large \boxed{\text{257 g}}$

Explanation:

We can convert the formula units to moles and then use the molar mass to find the mass.

1. Moles of Pb(MnO₄)₂

$n = 3.48 \times 10^{23}\text{ formula units} \times \dfrac{\text{1 mol}}{6.022 \times 10^{23}\text{ formula units}} = \text{0.5779 mol}$

2. Mass of Pb(MnO₄)₂

$\text{Mass} = \text{0.5779 mol} \times \dfrac{\text{445.07 g}}{\text{1 mol u}} = \text{257 g}\\\\\text{The mass of lead(II) permanganate is $\large \boxed{\textbf{257 g}}$}$

4 0

4 years ago

Determine the number of significant in 400

Leya [2.2K]

Answer:

400 or 4x102 indicates only onesignificant figure. (To indicate that the trailing zeros are significant a decimal point must be added. 400. has threesignificant digits and is written as 4.00x102 in scientific notation.) Exact numbers have an infinite number of significant digits but they are generally not reported.

6 0

3 years ago