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ji

Just I.

Chemistry 101

29 minutes ago

What are the intermolecular and intramolecular forces of Sodium Stearate? Show a diagram with wording please!

DR

Darious R.

Chemistry 101

None

0.600 mol of BaCl2 in 100.0 mL of solution

SS

Sophia S.

Chemistry 101

3 hours ago

Determine, using stoichiometry how many moles of S2O82‚Äď have been consumed after the solutions containing a total of 3.0 mL of 0.40 M S2O32‚Äď have reacted.

VR

Veronica R.

Chemistry 101

3 hours ago

Determine the whole number mole ratio of moles of NaOH to moles of sulfuric acid

VG

Vanessa G.

Chemistry 101

4 hours ago

8. The density of a gas was measured at 1.00 atm and 273 K and found to be 3.163 g/L. Calculate the molar mass of the gas. What is the likely identity of the gas?

JA

Jon A.

Chemistry 101

None

In each of the following reactions, identify the reactant that is oxidized and the reactant that is reduced

CI

Chinwe I.

Chemistry 101

6 hours ago

draw a lewis dot diagram for peroxide) and use the oxidation-state method of electron bookkeeping to determine how many electrons each atoms should be assigned? Homework assignment chap 10

EK

Emre K.

Chemistry 101

8 hours ago

a) Select an atom and calculate its charge and mass in terms of energy and grams . Let’s select Mg atom (12 protons, 12 neutrons) as an example. b) Select a molecule and calculate its charge and mass in terms of energy and grams/mole. Let’s select MgCl2 ( Cl contains 17 protons and 18 neutrons) as an example

CM

Charlie M.

Chemistry 101

9 hours ago

Identify the reactants and products and write the unbalanced equation (including symbols for states) for each of the following chemical reaction. a) Liquid hydrazine, N2H4, has been used as a fuel for rockets. When the rocket is launched, a catalyst causes the liquid hydrazine to decompose quickly into elemental nitrogen and hydrogen gases. The rapid expansion of the product gases and the heat released by the reaction provide the thrust for the rocket.

CM

Charlie M.

Chemistry 101

9 hours ago

Liquid hydrazine, N2H4, has been used as a fuel for rockets. When the rocket is launched, a catalyst causes the liquid hydrazine to decompose quickly into elemental nitrogen and hydrogen gases. The rapid expansion of the product gases and the heat released by the reaction provide the thrust for the rocket.

eL

Elise L.

Chemistry 101

9 hours ago

Identify each of the following reactions as composition, decomposition, single displacement, or double displacement.

eL

Elise L.

Chemistry 101

9 hours ago

types of reactions ws #6

eL

Elise L.

Chemistry 101

9 hours ago

types of reactions ws #5

eL

Elise L.

Chemistry 101

9 hours ago

types of reactions ws

eL

Elise L.

Chemistry 101

9 hours ago

types of reaction worksheet

GB

Gurneer B.

Chemistry 101

10 hours ago

which atomic ions are isoelectronic with Ne.

RE

Renee E.

Chemistry 101

11 hours ago

Determine how many kilojoules are absorbed when 314 g of Ca(OH)2 reacts via the following reaction: Ca(OH)2(s)?CaO(s)+H2O(l),?H=+65.3kJ

RE

Renee E.

Chemistry 101

11 hours ago

Determine how many kilojoules are released when 70.7 g of oxygen reacts via the following reaction: 2CH3OH(l)+3O2(g)?2CO2(g)+4H2O(l),?H=?726kJ

TE

Timoe E.

Chemistry 101

11 hours ago

What minimum mass in grams of potassium dichromate is required to produce 1.500 grams of the ketone? [Molar masses: Alcohol = 100.159 g¬∑mol?¬Ļ; Ketone = 98.143 g¬∑mol?¬Ļ; K?Cr?O? = 278.185 g¬∑mol?¬Ļ

TE

Timoe E.

Chemistry 101

11 hours ago

Balance the chemical equation in Figure 7 in acid medium. How many moles of sulphuric acid do you have to add to balance this chemical equation?

TE

Timoe E.

Chemistry 101

11 hours ago

You need to use distillation to separate a mixture consisting of the components in Figure 5. Predict the distillation order. Place the component distilling first in the first position and the component distilling last in the last position.

TE

Timoe E.

Chemistry 101

11 hours ago

Liquid-liquid extraction can be used to separate ethanol from wine if a suitable extraction solvent is used.

sr

Sondra R.

Chemistry 101

11 hours ago

Explain the reason for conducting this experiment using saturated solution of borax b. The various thermodynamic functions have been determined in this experiment using two different calculation methods: Which of these two methods is normally better for such calculations? Explain briefly. c. Based on the thermodynamic data you calculated in this experiment, give an explanation for the variation of the volume of HCL needed for the titration of the tetraborate at decreasing temperatures

TE

Timoe E.

Chemistry 101

11 hours ago

Which statement about liquid-liquid extraction is not correct? * A solvent must be available that is miscible with the solution containing the substance to be extracted. The solvent used for extraction must have a good ability to dissolve the desired substance. The denser solution forms the bottom layer in the extraction funnel. The extraction funnel must be vented during the extraction procedure to prevent excessive build-up of pressure inside the extraction funnel. All these statements are correct.

TE

Timoe E.

Chemistry 101

11 hours ago

Which statement about liquid-liquid extraction is not correct?

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