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A scientist researching methods to convert used motor oil into gasoline would most likely be investigating which process? a) Combustion b) Oxidation c) Fermentation d) Polymerization

Cybershadow asked Dec 17, 2024

by Cybershadow

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1 answer

4 votes

131k views

Which of the following common molecules found in interstellar space contains nitrogen atoms but no oxygen? A) water vapor (H2O) B) formaldehyde (H2CO) C) methane (CH4) D) ammonia (NH3)

Ryanc asked Dec 17, 2024

by Ryanc

8.1k points

1 answer

0 votes

48.2k views

Serine and threonine belong to which group of amino acids? 1) uncharged polar 2) acidic 3) basic 4) uncharged nonpolar

Thomas Pornin asked Dec 16, 2024

by Thomas Pornin

6.9k points

1 answer

1 vote

150k views

Arsenic is a potent poison because it causes ________. a) Cell lysis b) DNA mutation c) Inhibition of cellular respiration d) Enzyme activation

RLave asked Dec 16, 2024

by RLave

8.4k points

1 answer

2 votes

135k views

if you dissolve libr in chloroform and find that the mole fraction of libr is .091. what is the boiling point of this solution?

Cambraca asked Dec 16, 2024

by Cambraca

7.9k points

1 answer

3 votes

17.2k views

Sulfur is in Group 6A and has all of its valence electrons in 3s23p6. How many electrons does it have when it ionizes? O 6 O 18 O 32 O 16

Ronee asked Dec 16, 2024

by Ronee

7.8k points

1 answer

2 votes

211k views

What is the molar mass of gold (lll) chloride

Eepp asked Dec 16, 2024

by Eepp

8.3k points

1 answer

0 votes

90.5k views

I NEED HELP WITH QUESTION 11 PLEASE HELP ME 11. Imagine that a second electron were placed to the left of a nucleus containing two protons (Model 3, set D). Predict the force of attraction on both the

Johnny Lim asked Dec 16, 2024

by Johnny Lim

7.7k points

1 answer

2 votes

101k views

Calcium (Ca) is in the second column of the periodic table and is classified as an alkaline earth metal. Which of the following formulas shows the ratio of a compound formed from calcium and iodine (I)?

Mduvall asked Dec 16, 2024

by Mduvall

8.4k points

1 answer

4 votes

183k views

What do you mean by olfactory indicators? Give an example? *

Jakadinho asked Dec 16, 2024

by Jakadinho

8.2k points

1 answer

3 votes

32.7k views

Which represents a balanced nuclear equation? a. 11 Na + 24 12 Mg → 22 11 Na + qe b. 20 11 Na + 23 12 Mg → 24 11 Na + qe c. 20 11 Na + 23 12 Mg → 22 11 Na + qe d. 20 11 Na + 23 12 Mg → 24 11 Na + 22 12

Stefano Altieri asked Dec 16, 2024

by Stefano Altieri

7.6k points

1 answer

4 votes

57.7k views

What is the bond angle of linear? give an example for linear.

Jkatzer asked Dec 16, 2024

by Jkatzer

8.1k points

1 answer

0 votes

112k views

How many liters of each should be mixed to get 20 liters of a mixture that is 15% alcohol? A) 8 liters of Pretone and 12 liters of Pleak B) 10 liters of Pretone and 10 liters of Pleak C) 12 liters of Pretone

Kiid asked Dec 16, 2024

by Kiid

8.4k points

1 answer

3 votes

140k views

Where does the mole ratio come from?

Eironeia asked Dec 16, 2024

by Eironeia

8.8k points

1 answer

5 votes

168k views

The metal vanadium crystallizes in a body-centered cubic lattice. If the density of vanadium is 6.11 g/cm³ , what is the unit cell volume? a. 2.1.38 x 10⁷ pm³ b. 6.1.99 x 10⁵ pm³ C. 3.98 x 10⁵ pm³ d. 5.

Okke asked Dec 16, 2024

by Okke

7.4k points

1 answer

4 votes

23.9k views

Determine the formula unit for the compound formed when each pairs of ions interact: Ca²⁺ and P³⁻

Sank asked Dec 16, 2024

by Sank

8.5k points

1 answer

5 votes

192k views

Circle the letter of each type of information Mendeleev knew about each element. a) name b) number of protons c) relative mass d) properties

Dalloliogm asked Dec 16, 2024

by Dalloliogm

7.8k points

1 answer

1 vote

224k views

How old is a piece of cotton cloth if the half-life of carbon-14 is 5,730 years, and the carbon-14 composition of the cloth is 22 percent that of living plants? A) 1.21 × 10-4 years-1 B) 1.21 × 10-4 years

Pamella asked Dec 16, 2024

by Pamella

7.5k points

2 answers

3 votes

1.3k views

What is the basic unit of any substance

Kztd asked Dec 16, 2024

by Kztd

8.3k points

1 answer

5 votes

40.8k views

which of the following is always the same for multiple isotopes of a single element? a. atomic number b. atomic mass number c. tendency to decay radioactively d. none of the above are correct.

Biron asked Dec 16, 2024

by Biron

8.8k points

1 answer

3 votes

6.6k views

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