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16. Which group is the noble gases? a. Group 1 b. Group 2 c. d. Group 17 Group 18

Ahmed Elgammudi asked Oct 6, 2024

by Ahmed Elgammudi

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3 votes

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At noon the temperature is -15 degrees. Eight hours later, the temperature is at -5 degrees. What is the temperature change? A. -20 degrees B. 10 degrees C. 20 degrees D. 30 degrees

Tyler Egeto asked Oct 6, 2024

by Tyler Egeto

8.6k points

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0 votes

51.3k views

Fill in the blank As warm air masses rise at the equator a air mass moves in and gets warmed by the surface. This creates a

Duhseekoh asked Oct 6, 2024

by Duhseekoh

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2 votes

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Given the condensed formula for an alkane, classify the underlined carbon atom as zero, methyl, primary, tertiary, secondary, or quaternary. Example Condensed Formula: CH₃-CH(CH₃)-CH₂-CH₃ (a) Zero (b)

Rajshri asked Oct 6, 2024

by Rajshri

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5 votes

110k views

How many valence electrons does an insulator generally have? A) 1-3 B) 4-6 C) 7-8 D) 9-12

Mohammad Sadoughi asked Oct 6, 2024

by Mohammad Sadoughi

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1 vote

94.8k views

Ou have 10 grams of a compound. eight grams is soluble in 100 ml of boiling solvent and 3 grams is soluble in 100 ml of cold solvent. what is the minimum amount of solvent you will need to dissolve your

Fryeguy asked Oct 6, 2024

by Fryeguy

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2 votes

200k views

Acetylene is colorless, odorless, and lighter than air. a. True b. False

Yaobin Then asked Oct 6, 2024

by Yaobin Then

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1 answer

4 votes

26.9k views

4. A silver bar with a mass of 300 grams is heated from 30 °C to 55 °C, How much heat does the silver bar absorb in joules? In kilojoules? The specific heat of silver is 0.235 j/g. C.

Rakshith Kumar asked Oct 6, 2024

by Rakshith Kumar

8.7k points

1 answer

1 vote

213k views

What are the components of the given cough syrup? A) 6 g Ammonium chloride, 42 mL Syrup tolu, qs to make 120 mL Syrup wild cherry B) 0.300 g Coal Tar, 0.150 g Polysorbate 80, 29.6 g Zinc oxide C) 24 mL

Gabor Szekely asked Oct 6, 2024

by Gabor Szekely

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0 votes

179k views

Heating a sample of Na₂CO₃⋅xH₂O weighing 4.640 g until the removal of the water of hydration leaves 1.720 g of anhydrous Na₂CO₃. What is the formula of the hydrated compound? a. Na₂CO₃⋅2H₂O b. Na₂CO₃⋅3H₂O

Andreask asked Oct 6, 2024

by Andreask

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1 answer

1 vote

196k views

When the effective filtration pressure equals zero:

Michael Sorens asked Oct 6, 2024

by Michael Sorens

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66.1k views

How should ABG, ammonia, lactic acid, pyruvate, and parathyroid tests be handled?

Pierluigi Vernetto asked Oct 6, 2024

by Pierluigi Vernetto

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180k views

Which of the following elements is used as an alloying element in steel and provides corrosion resistance? a) Zinc b) Vanadium c) Magnesium d) Nickel

Thwiegan asked Oct 6, 2024

by Thwiegan

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1 vote

58.3k views

Perform this operation solving for x. Give answer to the proper number of significant figures. x=0.01953 cm + (7.32 x 10^-3 m)

Maxwell Collard asked Oct 6, 2024

by Maxwell Collard

8.1k points

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3 votes

71.4k views

Which of the following statements is true about the relationship between atoms and molecules? Select all that apply. A) Molecules are smaller than atoms. B) Molecules are made of two or more atoms that

WheretheresaWill asked Oct 6, 2024

by WheretheresaWill

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3 votes

67.8k views

Suppose that the half-life of a certain substance is 14 minutes. At 9:30 a.m., 500 mg of the substance is present. How many milligrams of the substance has decayed by 10:05 a.m.? A) 125 mg B) 250 mg C)

Martin Haluza asked Oct 6, 2024

by Martin Haluza

8.3k points

1 answer

5 votes

15.4k views

Ammonia and gaseous hydrogen chloride combine to form ammonium chloride according to this equation: NH3(g) + HCl(g) → NH4Cl(s) If 4.21 L of NH3(g) at 27°C and 1.02 atmospheres is combined with 5.35 L of

Adan Cortes asked Oct 6, 2024

by Adan Cortes

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2 votes

103k views

If the boiling near the end of the Na2CO3 - HCl titration is not done, the amount of HCl titrant required will be _____ the correct value. a. < b. > c. = d. impossible to answer

Monkey Supersonic asked Oct 6, 2024

by Monkey Supersonic

9.6k points

1 answer

2 votes

136k views

Help!! "Hotter things have more energy than colder things" How can you revise the statement to be more complete or correct?

Steak asked Oct 6, 2024

by Steak

9.1k points

2 answers

4 votes

98.8k views

2. I give energy to living things. Who am I? Ans:

Raunak Kathuria asked Oct 6, 2024

by Raunak Kathuria

7.8k points

1 answer

2 votes

231k views

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