How many milliliters of 0.20 M H₂SO4 are needed to completely neutralize 20 mL of 0.10 M NaOH solution? 5 mL 10 mL 40 mL 2.5 mL

Q: A solution contains 5.43x10~³ M silver acetate and 1.22×10-² M zinc nitrate. Solid sodium carbonate…

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Q: what is a reasonable value for the charge of a molecule after several electrons are stripped from…

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Q: Do covalent compounds conduct electricity when they are mixed with water?  Explain.

A: The covalent bond is the type of the bond formed by the sharing pair of electrons between toe or…

Q: A sample of oxygen gas has a volume of 2.50 L at STP. How many grams of O, are present?

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Q: It the volume of a gas is decreased by a factor of 4, what is the change in its density? Density…

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Q: A compound of carbon, hydrogen, and oxygen was burned in oxygen, and 1.00g of the compound produced…

A: Number of moles of carbon produced (C in CO2)=1.41844.01=0.0322 mol Number of moles of hydrogen gas…

Q: Which length better represents the size of molecules made of few (less than 10) atoms? Group of…

A: The maximum radius of an atom is about 105 times the radius of the nucleus which is R=10-15 m .Thus…

Q: An irregularly shaped piece of metal of density 7.8g/cm3 weighs 429 grams when completely immersed…

A: Archimedes' principle states that when an object is fully or partially immersed in a fluid, it…

Q: Determine a linear relationship between salt concentration (g/L) and boiling time (s). What is the…

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Q: How many macrostates are there for tossing 6 coins? Select the correct answer 06 O64 X Your Answer…

A: Fir tossing 6 coins ,   Following macro states will be there  (H - head , T - tail )   6H , 0T 5H ,…

Q: Using Fig. 7. 14, plot the maximum post- shutdown xenon reactivity as a function of thermal flux…

A: Here we are supplied with a negative reactivity vs time after shutdown curve for different values of…

Q: Complete the following equation:23NP 23°Pu + _+- 94

A: Beta decay: The parent nuclei disintegrate into daughter nuclei by the emission of beta particle and…

Q: 55480/play 6/15 Question Chemistry Reactions Revision What does the diagram represent? 908 1 A…

A: Step 1: By looking at the image we can say that two types of molecules are present. Step 2:…

Q: How many moles of LiBr are required to make 300 mL of a 3.00 M solution?

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Q: 15.) One of the noble gases has a density of 1.783 g/L at 0°C and 1 atm. Which noble is this?…

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Q: Assume that air consists of 80% N₂ and 20% O₂ by mole. Under the STP conditions, what is the mass of…

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Q: The KP of a reaction depends on temperature only. It is independent of the pressure of the…

A: The equilibrium constant KP of a reaction depends only on the temperature of the reacting system. It…

Q: Please don't provide handwritten solution ....

A: The molarity of the solution is 1.40 M.Explanation:

Q: how many atoms of each element is in the molecule 4SrO^-2

A: In stoichiometry of chemical compounds, any number written on the left-hand side with a symbol of an…

Q: Convert grams to kilograms 50 grams 100 grams 91 grams 127 grams 118 grams 143 grams 152…

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Q: Determine the mass in grams of 2.25 × 10²¹ atoms of copper

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Q: 2 1 point Based on the data below, which metal is most likely the metal being tested? (Chart of…

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Q: write the balanced chemical equation for P+O2=P2O5

A: 2P+52O2 = P2 O5…