Chemistry » Page 74

Chemistry

Hailie Savage

Lists how many valence electrons are shared, gained, or lost by each atom of the 6 compounds?

N2

CCl4

SiO2

AlCl3

CaCl2

LiBr

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Chemistry

Annika Hill

Calculate the number of vacancies per cubic meter for some metal, M, at 773°C. The energy for vacancy formation is 0.97 eV/atom, while the density and atomic weight for this metal are 7.81 g/cm3 (at 773°C) and 67.81 g/mol, respectively.

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Chemistry

Quinton Clarke

What units are used to measure air pressure?

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Chemistry

Kayden Holden

How are solutions related to mixtures?

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Chemistry

Brenden Dominguez

1. Which of the following elements is a transition metal?

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Chemistry

Savanna Olsen

A gas at 325 k has a volume of 4.0 L. If the gas's volume changes to 2.0 L at constant pressure, what will be the new temperature

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Chemistry

Ayaan Randolph

What is silicone used for

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Chemistry

Trevin Cox

CH4 + O2 - > CO2+2H20

Predict the products of the chemical reaction and explaining why

you made this prediction. You should

identify the products of the chemical reaction.

explain why these are the products based on trends in the periodic

table (the number of valence electrons, electronegativity, etc.).

identify the types of bonds in the reactants and products.

identify the number of each type of bond in the reactants and

products.

identify the type of reaction.

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Chemistry

Krista Blanchard

Draw the structures of organic compounds a and

b. omit all byproducts

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Chemistry

Lilyana Alvarez

1. What is the oxidation number for the silver ion in tarnish?

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Chemistry

Jolee

What is the empirical formula for h2so4

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Chemistry

Gianni Pennington

Determine the volume of an object that has a mass of 455.6 g and a density of 19.3 g/cm3. (1cm3 = 1ml) select one:

a. 18.5 ml

b. 23.6 ml

c. 42.4ml

d. 31.2 ml

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Chemistry

Bradyn Merritt

9.98 kg of R-134a at 300 kPa fills a rigid container whose volume is 14 L. Determine the temperature and total enthalpy in the container. The container is now heated until the pressure is 600 kPa. Determine the temperature and total enthalpy when the heating is completed. Use data from the steam tables.

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Chemistry

Grace Krueger

Can anyone tell me about sulfuric acid in shampoo/soap?

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Chemistry

Francis Roman

How many grams of naoh would react with 507 g fecl2 in the reaction fecl2 + 2naoh fe (oh) 2 (s) + 2nacl?

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