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Which of the following is considered a chemical change? Select all that apply. A) crumpling a piece of paper into a ball B) burning wood in a fireplace C) digesting a delicious sandwich D) crushing ice

Machineaddict asked Oct 4, 2024

by Machineaddict

8.0k points

1 answer

3 votes

216k views

What is the mass in grams 52.9 moles of Xenon?

Stevenlacerda asked Oct 4, 2024

by Stevenlacerda

7.5k points

1 answer

0 votes

193k views

Balance each of the following equations by writing the correct coefficient on the line. A blank line = 1 or you can put in the 1 that is fine. look at photo for reference

Joe Beuckman asked Oct 4, 2024

by Joe Beuckman

8.5k points

1 answer

3 votes

109k views

The atomic mass of cooper metal is 63.6 amu. calculate the mass of 3.5 moles of cooper.

Ajeet Khan asked Oct 4, 2024

by Ajeet Khan

8.1k points

1 answer

3 votes

233k views

Which ions are being produced by Phosphate Buffered Saline (PBS) process, assuming that each of the chemical compounds dissociates into their constituent parts once they are dissolved in water? a. Sodium

VHristov asked Oct 4, 2024

by VHristov

7.9k points

1 answer

4 votes

89.7k views

What real world application of chemistry really shocked you in this section?

PeterG asked Oct 4, 2024

by PeterG

7.7k points

1 answer

0 votes

59.0k views

What is the class equation of the dicyclic group of order 12? A) 1 + 1 + 1 + 1 + 2 + 6 B) 1 + 1 + 2 + 4 + 4 C) 1 + 1 + 1 + 3 + 6 D) 1 + 2 + 4 + 5

Saideep Arikontham asked Oct 4, 2024

by Saideep Arikontham

7.6k points

1 answer

3 votes

13.3k views

silver has a density of 10.5 g/cm. if you have s silver cylinder with a mass of 145g and radius of 0.5cm, what is the height of the cylinder

Lavir The Whiolet asked Oct 4, 2024

by Lavir The Whiolet

7.8k points

1 answer

5 votes

183k views

Which statement describes mechanical energy? the energy that is stored in chemical bonds the energy that is associated with temperature the sum of the kinetic energy and the potential energy of an object

Loriana asked Oct 4, 2024

by Loriana

8.6k points

1 answer

5 votes

89.3k views

Looking at the solubility curve above for KClO3, at 30 degrees Celsius how many grams will dissolve to make a saturated solution?

Lowkase asked Oct 4, 2024

by Lowkase

8.3k points

1 answer

3 votes

155k views

Which factor does not influence whether a substance will be a liquid at room temperature and normal atmospheric pressure? O molecular mass O surface tension O molecular shape O strength of intermolecular

Stib asked Oct 4, 2024

by Stib

8.0k points

2 answers

5 votes

146k views

Which of these species make an isoelectronic pair: CI⁻, O², F, Ca²⁺, Fe³⁺? A. Ca²⁺ and Fe³⁺ B. O²⁻ and F C. F and CI⁻⁶ D. CI⁻ and Ca²⁺ E none of the above.

Zpangwin asked Oct 4, 2024

by Zpangwin

7.6k points

1 answer

0 votes

57.0k views

which statement is true for a 0.10 m solution of hcl? group of answer choices [h3o ]eq > 0.10 m [h3o ]eq < 0.10 m [h3o ]eq

Alfe asked Oct 4, 2024

by Alfe

8.0k points

1 answer

2 votes

98.2k views

Calculate the mass of grams of .045 moles of Cr

Soheil Alizadeh asked Oct 4, 2024

by Soheil Alizadeh

8.3k points

1 answer

2 votes

46.6k views

You need to make 1.25 L of 0.850 M sodium hydroxide. What volume of a 6.0 M stock solution do you need to measure out?

Freakyuser asked Oct 4, 2024

by Freakyuser

9.0k points

1 answer

2 votes

134k views

What is the total number of moles of NO produced when 1 mole of O2 is completely consumed? A) 2 moles B) 3 moles C) 4 moles D) 6 moles

Ojomio asked Oct 4, 2024

by Ojomio

8.6k points

1 answer

1 vote

204k views

Hydrogen Gas (H₂) Titanium (Ti) 3 points Demonstrate your ability to differentiate between mixtures and pure substances. Which of the following is considered a mixture? Cl isopropyl alcohol (C3H8O) fruit

Balu asked Oct 4, 2024

by Balu

8.4k points

1 answer

1 vote

49.1k views

What volume of hydrogen gas is produced when 49.1 g of iron reacts completely according to the following reaction at 25 °C and 1 atm?

Jongwon asked Oct 4, 2024

by Jongwon

8.0k points

1 answer

3 votes

105k views

Which expression represents the phrase "14 more than a number times 16"? a 14 x 16 b 14n + 16 c 14 + n+ 12 d 14n +12

Giorgi Gvimradze asked Oct 4, 2024

by Giorgi Gvimradze

7.7k points

1 answer

5 votes

54.5k views

The lowest temperature ever recorded at Oymyakon in Russia was 96.2°F below 0°F. The lowest temperature ever recorded at Prospect Creek in Alaska was 80°F below 0°F. The thermometer reading of the lowest

Yaquelin asked Oct 4, 2024

by Yaquelin

8.2k points

1 answer

4 votes

47.7k views

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