03/12/24

How many grams of sodium hydroxide are needed to completely neutralize 25.0g of sulfuric acid to form sodium sulfate and water?
8ItItHow many grams of sodium hydroxide are needed to completely neutralize 25.0g ofsulfuric acid to form sodium sulfate and water?8. How many grams of sodium hydroxide are needed to completely... more
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03/10/24

what is the domain of the function in interval notation? g(x)=x+9/x^2-25
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03/08/24

Using relative effusion rates to find an unknown molar mass
A gas made up of atoms escapes through a pinhole 0.839 times as fast as N2 gas. Write the chemical formula of the gas.
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03/08/24

Suppose the number f(x) of incidents of family violence requiring police response appears to be related to x, the money spent on crisis intervention, by the equation f(x) = 410 − 0.002x.

What expenditure would reduce the number of incidents to 355?
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03/08/24

The volume V of a sphere can be expressed in terms of its radius r according to the function V(r) = 4 3 𝜋r3. Find the volume of a basketball if the diameter of the ball is 29.5 centimeters.
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03/07/24

what is the equilibrium partial pressure of HF?

An empty steel container is filled with 6.60 atm of H₂ and 6.60 atm of F₂. The system is allowed to reach equilibrium. If Kp = 0.450 for the reaction below, what is the equilibrium partial pressure... more
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03/07/24

Chemistry stoicheometry
how many grams of MgCl2 can be made from the 164 grams of HCl
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03/07/24

A model used for the yield Y of an agricultural crop as a function of the nitrogen level N in the soil (measured in appropriate units) is
Y = KN/(9+N^2) where k is a positive constant. What nitrogen level gives the best yield? N=
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03/06/24

Chemistry- help[][]=-
Copper(II) ions can be precipitated as copper(II) carbonate.CuSO4(aq) + Na2CO3(aq) → CuCO3(s) + Na2SO4(aq) How many mL of 0.670 M Na2CO3 would be needed to precipitate all of the copper ions in... more
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03/06/24

Form a polynomial whose real zeros and degree are given. Zeros: -5,-2, 4, 5, degree: 4 Type a polynomial with integer coefficients and a leading coefficient of 1.
I am looking for a full breakdown on how to solve this and what correct formulas to use.
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03/06/24

67.4 grams of methane gas, ch4, and 222 grams of chlorine gas, cl2, are combined. determine the mole fraction of methane and chlorine
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03/05/24

Calculate ΔG for the reaction below at 25°C when 1.00 atm of A and 8.20 atm of B are present.

Calculate ΔG for the reaction below at 25°C when 1.00 atm of A and 8.20 atm of B are present. ΔGº = +5.44 kJ/mol for this reaction.A(g)2B(g) in KJ/mol
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