Which of the following is a double replacement reaction?
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Give the oxidation number for nitrogen in the following comp…
Give the oxidation number for nitrogen in the following compound: N2 (g)
The site on an enzyme that the substrate binds to is called…
The site on an enzyme that the substrate binds to is called the __________________________________.
How many sodium ions are present in 50.0 mL of 0.210 M Na2S…
How many sodium ions are present in 50.0 mL of 0.210 M Na2S solution? (Show work for full credit)
How many moles of Ar are contained in a 5.00 L tank at -155°…
How many moles of Ar are contained in a 5.00 L tank at -155°C and 2.80 atm? (R = 0.0821 L atm / mol K)
The volume of 350. mL of gas at 25°C is decreased to 135 mL…
The volume of 350. mL of gas at 25°C is decreased to 135 mL at constant pressure. What is the final temperature of the gas?
5’ATAGGGCTT3′ is a short sequence of a strand of DNA. What w…
5’ATAGGGCTT3′ is a short sequence of a strand of DNA. What will be the sequence of the complementary strand of DNA?
How many moles of Ar are contained in a 5.00 L tank at 155°C…
How many moles of Ar are contained in a 5.00 L tank at 155°C and 2.80 atm? (R = 0.0821 L atm / mol K)
Ca3(PO4)2 + 5C –> 3CaO + 5CO + 2P If 5.33 g of phosphorus…
Ca3(PO4)2 + 5C –> 3CaO + 5CO + 2P If 5.33 g of phosphorus is recovered from the reaction of 65.6 g of Ca3(PO4)2 what is the percent yield?
A balloon filled with helium gas at 20°C occupies 4.91 L at…
A balloon filled with helium gas at 20°C occupies 4.91 L at 1.00 atm. The balloon is immersed in liquid nitrogen at -196°C, while the pressure is raised to 5.20 atm. What is the volume of the balloon in the liquid nitrogen?