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Chemistry

Dana Murillo

A synthesis reaction is shown in which A and B represent two reactants forming a compound C. A + B → C Which of the following values is used in the stoichiometric calculations to determine the limiting reactant for the reaction?

A. Mole ratio of A to B

B. Mole ratio of B to A

C. Starting amount of C in grams

D. Starting amount of A in moles

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Chemistry

Linda Trevino

How many moles of Ag will be produced from 16g of Cu, assuming AgNO3 is available in excess

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Chemistry

Harley Parsons

When rearranging the formula for density, mass is equal to:?

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Chemistry

Steve Dorsey

Which of the following are balanced equations? Check all that apply. A. 4Na (s) + O2 (g) → 2Na2O (s) B. 2Mg (s) + O2 (g) → 2MgO (s) C. C3H8 (g) + O2 (g) → CO2 (g) + H2O (g) D. C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (g

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Chemistry

Leland

A line has a slope of 5 and a y-intercept of - 2.

+

+

+

-8-7--5-4-3-2

1.2.3.4.5.6.7.8

x

+T919919

What is the x-intercept of the line?

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Chemistry

Jay Walton

For some reaction carried out at constant atmospheric pressure and at a constant temperature of 25◦C, it is found that ∆H = - 38.468 kJ/mol and ∆S = + 51.4 J mol · K. What is the value of ∆G for this reaction under these conditions?

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Chemistry

Jacoby Huynh

The specific beta in aluminum is 0,900 J/g • Celsius. How much heat is required to raise the temperature of a 30.0 g block of aluminum from 25 degrees celsius to 75 degrees celsius

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Chemistry

Isla Collins

Which example has only potential energy and no kinetic energy? a roller coaster zooming down a hill a child riding their bike a bird flying from a tree a ball sitting on a shelf

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Chemistry

Roselyn Johns

If two charged objects are moved closer to each other, the electric force between them will?

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Chemistry

Shaylee Peterson

Why is water necessary for rusting to happen?

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Chemistry

Aaden Lin

Which of the following is a chemical change?

A: boiling of water

B: melting a cube of ice

C: dissolving 10 grams of salt in water

D: splitting water into hydrogen and oxygen

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Chemistry

Kaia Zamora

Use the collision theory to explain the 3 ways you suggested to increase the rate of the following reaction: A strip of magnesium is added to a solution of hydrochloric acid, and a very slow reaction occurs.

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Chemistry

Emilie

Which of the following has mass? A. Matter B. Force C. Space D. Light

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Chemistry

Skyla Brennan

What is the name of the compound that has the formula PCl3?

a. monophosphorus trichloride

b. phosphorus trichlorate

c. phosphorus trichloride

d. phosphorus chlorate

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Chemistry

Samir Coleman

Explain in terms of structure and or distribution of charge why co2 is a non polar molecule

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