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3 years ago

Put the levels of organization in order from smallest to largest

Chemistry

1 answer:

Vikki [24]3 years ago

3 0

Answer:

Organism , Population , Community , Ecosystem .

Explanation:

Organism is one type of species .

Population is a group of same species living together .

Community is a group of different species living together .

Ecosystem is a large group of community of species and its environment consisting of biotic and abiotic factor .

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Which of the following categories of small bodies in the solar system does Ceres belong to?

Natalija [7]

Ceres is a dwarf planet, so A.

4 0

3 years ago

What frequency corresponds to an absorption line at 460 nm?

MAXImum [283]

Answer:

6.52 × 10^14 Hz

i don't know if that's right tbh

4 0

3 years ago

Read 2 more answers

PLEASE HELP What's the mass in grams of 0.442 moles of calcium bromide, CaBr2? The atomic

djverab [1.8K]

Answer: Thus there are 88.4 g of calcium bromide.

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to the molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

Molar mass of = 40.1 (1)+ 2(79.9) = 199.9

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}$

$0.442=\frac{x}{199.9}$

$x=88.4g$

Thus there are 88.4 g of calcium bromide.

7 0

3 years ago

Is state change physical or chemical? Explain how you know.

julia-pushkina [17]

Answer:Physical

Explanation:

State Change is physical because it changes without it being chemically done. So when water changes from a liquid to a solid the state of it is changing. (Solid or Liquid or Gas)

Basically what is physically being changed with out a chemical.

8 0

2 years ago

Fill the three 3d subshells with the specified number of electrons.

lana66690 [7]

1. 5 electrons.

$3d^{5}$