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An atmospheric line on an indicator card from the head of a double-acting, single stage horizontal ammonia compressor is used (A) to record piston stroke. (B) to record volumetric efficiency. (C) to record

Pelican asked Dec 14, 2024

by Pelican

8.2k points

1 answer

1 vote

67.0k views

Beryllium chloride has a high melting point, but boron trichloride has a low melting and boiling point. Explain? a) Beryllium chloride forms a covalent lattice; boron trichloride has a polar covalent bond.

Jeannie asked Dec 14, 2024

by Jeannie

8.5k points

1 answer

4 votes

21.1k views

The following representation accurately depicts the structure of a peptide group. O H || | ―C―N― a. True b. False

Quiram asked Dec 14, 2024

by Quiram

8.3k points

1 answer

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1.8k views

1) Describe the difference between heat and temperature 2) Define the physical change and chemical change and give three examples of each 3) What range in temperature in Degrees Celsius is practical for

M Jesse asked Dec 14, 2024

by M Jesse

7.3k points

2 answers

3 votes

94.9k views

5. What are the grams of Aluminum Sulfate if 2.50 grams of Copper (II) sulfate reacts with aluminum? (Hint this is your theoretical yield)

Kazuki asked Dec 14, 2024

by Kazuki

7.5k points

1 answer

2 votes

125k views

Find the linear function C = f(F) that gives the reading on the Celsius temperature scale corresponding to a reading on the Fahrenheit scale. Use the facts that C=0 when F=32 (freezing point) and C=100

Hrabinowitz asked Dec 14, 2024

by Hrabinowitz

7.7k points

1 answer

1 vote

130k views

What is a likely use of an acid? a) Manufacturing cement. b) Making foods taste bitter. c) Producing soaps and detergent. d) Etching metals for printing.

Zac Delventhal asked Dec 14, 2024

by Zac Delventhal

8.3k points

1 answer

2 votes

100k views

Zinc sulfate is most commonly used with simple flotations.

Ian Oxley asked Dec 14, 2024

by Ian Oxley

9.3k points

1 answer

1 vote

183k views

Given that the density of Hg at 0°C is about 14 g/ml, which of the following is closest to the volume of one mole of Hg? a. 1.4 mL b. 14 mL c. 140 mL d. 1400 mL

Zeng Cheng asked Dec 14, 2024

by Zeng Cheng

8.2k points

1 answer

2 votes

31.5k views

Without looking at the periodic table, write the expected outer electron configuration for each of the following elements. (Hint: See Sample Problem C.) a. Group 7, fourth period. b. Group 3, fifth period.

Abhishek Chaubey asked Dec 14, 2024

by Abhishek Chaubey

7.6k points

1 answer

0 votes

181k views

Balance the following chemical equation 4 NaCl +2 SO₂ H₂O + #3 4 2 (1 point) Na₂SO + 4 HCI :: 1

Jarnohenneman asked Dec 14, 2024

by Jarnohenneman

7.5k points

1 answer

4 votes

188k views

If the radioactive isotope cobalt-60 has a half-life of 5 years and you have 8 grams of material, how much material in grams would you have left after 5 years?

Jesse Elser asked Dec 14, 2024

by Jesse Elser

7.7k points

1 answer

2 votes

218k views

Give the formula for potassium dichromate. a. K₂CrO₄ b. K₂Cr₂O₇ c. KCrO d. K₂Cr₂O₆ e. KCr₃O₇

Guanhuiwit asked Dec 14, 2024

by Guanhuiwit

8.5k points

1 answer

5 votes

188k views

Changes in colligative properties depend only on the identity of the solute particles present, not on the number of the solute particles. a. True b. False

HyperN asked Dec 14, 2024

by HyperN

8.1k points

1 answer

4 votes

164k views

Which of the following is a property of ionic compounds a.Soft and brittle b.Low melting point c.Conductive when solid d.Atoms arrange themselves in repeating patterns

Prince Kumar asked Dec 14, 2024

by Prince Kumar

9.0k points

1 answer

4 votes

101k views

SO 2gas at a pressure of 6.60 atm is heated from 0.0°C to 343°C and is simultaneously compressed to one-fifth of its original volume. Determine the final pressure (in atm). B) If the SO2 has a mass of

Ryder asked Dec 14, 2024

by Ryder

7.4k points

1 answer

2 votes

55.1k views

What is a circuit? How do switches and different circuit arrangements affect how electricity flows through the circuit?

Unknownbits asked Dec 14, 2024

by Unknownbits

8.2k points

1 answer

3 votes

31.0k views

Class C - Oxidizing material Do not burn by themselves but will either help the fire by providing more oxygen or may cause materials that normally do not burn to suddenly catch on fire. A) Identifies materials

Darko asked Dec 14, 2024

by Darko

8.6k points

1 answer

2 votes

131k views

Since the Diels-Alder reaction occurs in one step, it is said to be ____. A) Unimolecular B) Bimolecular C) Trimolecular D) Multimolecular

Nick Soper asked Dec 14, 2024

by Nick Soper

8.0k points

1 answer

5 votes

116k views

Which combination of protons, neutrons, and electrons is correct for the isotope of copper, ⁶³Cu? A) 29 p⁺, 29 n°, 63 e⁻ B) 29 p⁺, 34 n°, 29 e⁻ C) 63 p⁺, 29 n°, 63 e⁻ D) 34 p⁺, 29 n°, 34 e⁻ E) 34 p⁺, 34

Sanket Kheni asked Dec 14, 2024

by Sanket Kheni

8.5k points

1 answer

1 vote

222k views

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