Enter your answer in the provided box. A fabric remnant from a burial site has a...

Question

Question

Answer 1

Answer #1

OnPoraong in (2) :36232 care)

Answer 2

Similar Homework Help Questions

Be sure to answer all parts of the question: a. A fabric remnant from a burial...

Be sure to answer all parts of the question: a. A fabric remnant from a burial site has a 14C/12C ratio of 0.655 of the original value. How old is the fabric? ____ yr b. If 5.01 × 10−9 mol of 176W emits 1.07 × 1015 β+ in 1.00 h, what is the decay constant? Enter your answer in scientific notation. ____ × 10___ h−1
A fabric remnant from a burial site has a 14C/12C ratio of 0.771 of the original...

A fabric remnant from a burial site has a 14C/12C ratio of 0.771 of the original value. How old is the fabric?
Enter your answer in the provided box. Enter your answer in scientific notation. A first-order decomposition...

Enter your answer in the provided box. Enter your answer in scientific notation. A first-order decomposition reaction has a rate constant of 0.00618 yr−1. What is the half-life of the reaction? ______×10_____yr

Enter your answer in the provided box. HNO2), of a buffer that has a pH of...

Enter your answer in the provided box. HNO2), of a buffer that has a pH of 2.74? What is the component concentration ratio, NO, (Kof HNO2 = 7.1 x 10-4) 6.6711
Enter your answer in the provided box. What is the original molarity of a solution of...

Enter your answer in the provided box. What is the original molarity of a solution of ammonia whose pH is 11.58?
Enter your answer in the provided box. What is the original molarity of a solution of...

Enter your answer in the provided box. What is the original molarity of a solution of ammonia whose pH is 10.82? __M

Ch.20 #9 Enter your answer in the provided box. Strontium-90 is one of the products of...

Ch.20 #9 Enter your answer in the provided box. Strontium-90 is one of the products of the fission of uranium-235. This strontium isotope is radioactive, with a half-life of 28.1 years. Calculate how long (in years) it will take for 8.93 g of the isotope to be reduced to 0.430 g by decay. yr
Enter your answer in the provided box. A solution of formic acid (HCOOH) has a pH...

Enter your answer in the provided box. A solution of formic acid (HCOOH) has a pH of 2.39. How many grams of formic acid are there in 100.0 mL of solution? g/100.0 mL
Enter your answer in the provided box. What is the original molarity of an aqueous solution...

Enter your answer in the provided box. What is the original molarity of an aqueous solution of ammonia (NH3) whose pH is 11.10 at 25°C? (Kb for NH3 = 1.8 × 10−5) M

Enter your answer in the provided box. The pH of a sodium acetate-acetic acid buffer is...

Enter your answer in the provided box. The pH of a sodium acetate-acetic acid buffer is 4.80. Calculate the ratio [CH3COO−] / [CH3COOH].