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3 years ago

What are the words for each blank spot?

Chemistry

2 answers:

alexandr1967 [171]3 years ago

5 0

What the person said is the correct answer so thank them!

miskamm [114]3 years ago

3 0

Answer:

1. Scientific Method, 2. Experiment, 3. Independent variable, 4. Controlled variable, 5. Dependent variable.

Explanation:

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2. How many moles are there in 20 grams of Carbon?

faust18 [17]

Answer:

1.6666666666666 is the ans bcz in each mole there r 12 grams of carbon so the ans is goingtobe 20÷12

3 0

2 years ago

Carry out the following calculation, paying special attention to the significant figures (where 4/3 is exact), rounding, and uni

babunello [35]

Answer:

Value = 1.80 g/cm³ (Approx)

Explanation:

Given:

$\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(1.65 \times 10^2 cm)^3}$

Computation:

$\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(1.65 \times 10^2 cm)^3} \\\\\frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(4.492125 \times 10^6 cm^3)} \\\\ \frac{3.39 \times 10^7g}{(\frac{4}{3} )(3.1416)(4.492125 \times 10^6 cm^3)}\\\\ \frac{3.39 \times 10^7g}{18.8166132\times 10^6 cm^3} \\\\ 1.80159945g/cm^3$

Value = 1.80 g/cm³ (Approx)

7 0

3 years ago

60 POINTS

Juli2301 [7.4K]

Answer:

PBr3 - Molecule , Polar

N2H2 - Molecule , (Polar in E- form and Non- polar in Z form)

C2H2 - Molecule , Non- Polar

N2 - Molecule , Polar

NCl3 - Molecule , Polar

SiF4 - Molecule , Non- Polar

NH3 - Molecule , Polar

F - Not- Molecule (atom)

H2 - Molecule and Non- Polar

Explanation:

Molecule : these are group of two or more atoms joined by strong force of attraction.

H2 is non- polar because it is homoatomic molecule.(made up of same element)

N2 is non- polar because it is homoatomic molecule.

5 0

2 years ago

The chemical formula for artificial c7h5NO3s. Match the elements with the numbers found in one molecule of artificial sweeteners

mrs_skeptik [129]

If one were to match the ratio of atoms of the elements found in this molecular formula of artificial sweetener it would be :

Carbon - 7 atoms
Hydrogen - 5 atoms
Nitrogen - 1 atom
Oxygen - 3 atoms.

3 0

3 years ago

Read 2 more answers

Private land is generally used for _______. a. homes b. businesses c. factories d. all of the above Please select the best answe

alekssr [168]

HM, I think the answer would be D. This is just a guess, so please use it if ou want to answer D it's ok :D

5 0

3 years ago

Read 2 more answers