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Use the periodic to fill in the numbers in the electron configurations shown below. B: 1s2 2sA2pB A = 2 B = 1 Na: 1s22sC2pD3sE C = D = E =

Ryan Poolos asked Dec 23, 2024

by Ryan Poolos

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3 votes

235k views

What is interesting or different about how temperature is lined up along the x-axis?

Shoaib Nomani asked Dec 23, 2024

by Shoaib Nomani

7.9k points

1 answer

0 votes

215k views

Water is formed according to the following chemical equation: 2H2 + O2 → 2H2O. When 4.550 x 10^24 molecules of water are formed, how many grams of oxygen were consumed? a) 16 g b) 18 g c) 22.4 g d) 32

Seungmin asked Dec 23, 2024

by Seungmin

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3 votes

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In addition to the fluids you drink, foods you eat also provide water. How many liters (L) of water (H20) are in this breakfast menu? (Hint: 1 g = 1 ml water or H20 and there are 1,000 ml in 1 liter).

Teflon asked Dec 23, 2024

by Teflon

8.5k points

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5 votes

36.2k views

mixing 25.0 ml of 0.094 m nacl with 15.0 ml of 0.101 m agno3 produces a solid precipitate. calculate the mass of precipitate formed (in mg).

Vasili Syrakis asked Dec 23, 2024

by Vasili Syrakis

7.7k points

1 answer

0 votes

192k views

Determine the percent change in optimum recommended fluoride concentration for a water system with annual average maximum daily temperatures of 10.0 to 12.0 Celsius. The percent change is given by: a)

Varun Thadhani asked Dec 23, 2024

by Varun Thadhani

7.6k points

1 answer

1 vote

165k views

knowing that the half-life of uranium-238 is 4.5 billion years, and based on the percent lead, what is the approximate age of each rock?

Not Important asked Dec 23, 2024

by Not Important

8.2k points

1 answer

5 votes

29.4k views

Choose the true statement(s) about lipid catabolism. 1) Lipid catabolism involves the breakdown of lipids into smaller molecules. 2) Lipid catabolism occurs in the mitochondria. 3) Lipid catabolism produces

Felicia Soh asked Dec 23, 2024

by Felicia Soh

8.1k points

1 answer

2 votes

47.7k views

20. Water activity is ___? the water available to support enzyme activity о the measure of vapor pressure over pure water о measured from 1 to 3 O all of the above

Hamdy asked Dec 23, 2024

by Hamdy

7.6k points

1 answer

0 votes

98.8k views

__________________ alkyl halides and _____________ halides react the fastest in SN2 mechanisms, due to lack of ______________ ______________, where __________ alkyl halides react very slowly and _____________

Watt asked Dec 23, 2024

by Watt

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2 votes

162k views

2. The largest container on popcorn on record was 106 m3. There is water vapor (a gas) inside popcorn kernels. Why does adding heat pop the kernel into corn?

Nzifnab asked Dec 23, 2024

by Nzifnab

8.6k points

1 answer

1 vote

164k views

If 125 cal are added to 56,0 g of solid iron, what is the change in temperature of the iron? a. The specific heat of iron b. is 0.11, c. cal d. BC

Gibron asked Dec 23, 2024

by Gibron

7.2k points

1 answer

4 votes

212k views

How many moles of oxygen are needed to produce 3.0 moles of water

PKirby asked Dec 23, 2024

by PKirby

8.5k points

1 answer

5 votes

94.8k views

Write the equation of the reaction for the production of calcium carbide from 53 g of calcium oxide and 31 g of carbon. A. CaO + C -> CaC2 B. Ca + C -> CaC2 C. 2CaO + C -> 2CaC2 D. CaO + 2C -> CaC2

CpnCrunch asked Dec 23, 2024

by CpnCrunch

8.7k points

1 answer

1 vote

172k views

A neutralization reaction produces H2O and CaCl2. Select the acid-base reactants for this neutralization reaction. Group of answer choices H2Ca CaCl2 HCl Ca(OH)2 CaO

Sdoxsee asked Dec 23, 2024

by Sdoxsee

7.9k points

1 answer

5 votes

126k views

50 POINTS!!! quick questions!!!!

P Burke asked Dec 23, 2024

by P Burke

8.6k points

1 answer

3 votes

9.1k views

Which of these chemical equations does not describe a redox reaction? A.3NO2(g) + H2O(1) ► 2HNO3(aq) + NO(g) B.2KNO3(s) → 2KNO2(s) + O2(8) C.2LiOH(aq) + H2SO4(aq) → Li2SO4(aq) + 2H2O(1) D.2Na(s) + 2H2O(1)

Tulleb asked Dec 23, 2024

by Tulleb

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0 votes

215k views

The 13C chemical shifts of benzene and chloroform are 128.4 ppm and 77.2 ppm respectively. What is the difference in the 13C NMR frequencies of the two compounds on a 600 MHz spectrometer?

Jon Nadal asked Dec 23, 2024

by Jon Nadal

7.9k points

1 answer

4 votes

137k views

predict whether a reaction occurs, and if so, write on a separate piece of paper the balanced total and net ionic equations (in the field provided you only need to input the sum of the coefficients of

Gayan Kavirathne asked Dec 23, 2024

by Gayan Kavirathne

8.0k points

1 answer

0 votes

137k views

How many moles of aluminum oxide AI2O3 can you produce if you have two moles of AI

Vahid Alimohamadi asked Dec 23, 2024

by Vahid Alimohamadi

7.2k points

1 answer

0 votes

49.7k views

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