Chemistry

What is the mole fraction of KCI in amixture of 0.564 g NaCl, 1.52 g KCI,and 0.857 g LiCl?Molar MassNaCl: 58.44 g/molKCI: 74.55 g/molLici: 42.39 g/mol
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Your car burns gasoline as you drive from home to school
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HELP PLEASE!! IF YOU DO AND ANSWER CORRECTLY YOU WILL GET A BRAINLIEST 5 STARSSSS AND A THANKS!! PLEASE PLEASE HELPPPWhen scientists communicate about their work, what information should they make sure is included:1.2.3.4.5.6.7.
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How many moles are there in 105.69 grams of FeCI2
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HELP PLEASE I NEED HELP THANKS I LOVE UHow many moles of potassium nitrate (KNO3) are there in 0.300 L of a 2 molar solution?
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A cube of steel with a mass of 150 grams is heated from 60C to 150C.Use calorimetry to determine the amount of energy absorbed by themetal. The specific heat capacity of steel is 0.466 J/gC.
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If water is added to 145 mL of a 0.55 M KOH solution until the volume is 250 mL, what will the molarity of the diluted solution be?
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What is the mass percent of carbon in glucose, C6H1206?
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What is the IUPAC name for the following compound?CH3-CH2-CH2-CH2-CH2-CH2 -CH2-CH3Enter the name of the molecule.
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Suppose you want to make an acetic acid/acetate buffer to a pH of 5.00 using 10.0 mL of 1.00 M acetic acid solution. How many milliliters of 1.00 M sodium acetate solution would you need to add? The pKa for acetate buffer is 4.75.
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What is N for ClO3, thechlorate ion?
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Calculate how many molecules are in 25.1 grams of N2.answer choices:1. 1.08 x 10^24 molecules N22. 6.02 x 10^23 molecules N23. 6.31 x 10^22 molecules N24. 5.39 x 10^23 molecules N2
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What mass of iron is formed when 240 g of iron(III) oxide reacts completely with carbon monoxide?
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All forms of energy can be traced back to
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Help me with my homework plzy
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Joan wants to test if salt lowers the temperature at which water boils. In two or more complete sentences, describe the best way for Joan to develop a hypothesis for this situation. Write your answer in the essay box below.
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In a collision, a 25.0 kg mass moving at 3.0 m/s transfers all of its momentum to a 5.0 kg mass. What is the velocity of the 5.0 kg mass after the collision? P=m=v=
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Five different substances added breakers of water. Each substance begins as a white, solid powder. Which substances do not dissolve in water? Salt,sugar,starch,chalk, and bakeing powder
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State the name of the ion which is oxidised in the following half equations. Cathode: Na+ + e Na Anode: 2Cl Cl2 + 2e
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predict how many paper clips a 7.5 V battery would pick up for both the 25-coll electromagnet and the 50-coll electromagnet.per clipsa 7.5 V battery woua pick up for both the 25-
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How much does the Earth weigh?
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