The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 75 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 1.2 µg/mL. What will the concentration be 150 minutes later? Round your answer to 2 significant digits. mL

Can someone please help with question 3

The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of  69 minutes.Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection 1.9 is . What will the concentration be  207 minutes later? Round your answer to  2 significant digits.

A chemical engineer is studying the rate of this reaction. 2NH3 (g) → N₂ (g)+ 3H₂ (g) She fills a reaction vessel with NH3 and measures its concentration as the reaction proceeds. Here's a graph of her data: (W) [EHN] 0.20- 0.15- 0.10- 0.05- 0_ 20 60 t (s) 80 100

39. The decomposition of a certain pesticide was found to follow first-order kinetics. A student finds that after 3.0 months a sample of pesticide was 87.5% decomposed (only 12.5% of the pesticide remained). What is the half-life (112) for the decomposition reaction? a. 1.0 months b. 2.0 months 3.0 months d. The half-life can not be determined with the information provided.

Question 6 The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 90 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 0.19 μg/mL. What will the concentration be 180 minutes later? Round your answer to 2 significant digits.

In the nuclear industry, workers use a rule of thumb that the radioactivity from any sample will be harmless after 10 half-lives. What fraction of a radioactive sample remains after this time? (Radioactive decay obeys first-order kinetics.)

The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half life of 73 minutes. Suppose in a particular patient the concentration of this drug in the bloodstream immediately after injection is 1.1 ug/mL. What will the concentration be 365 minutes later? Round your answer to 2 significant digits. ug x10 mL ?

At a certain temperature this reaction follows second-order kinetics with a rate constant of 64.6M¹s¹: NH,OH(aq) → NH, (aq)+H,O(aq) Suppose a vessel contains NH OH at a concentration of 0.170M. Calculate the concentration of NH OH in the vessel 0.920 seconds later. You may assume no other reaction is important. Round your answer to 2 significant digits. 0 M x10 X S 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center 1 Accessibility Show All

60 QUESTION 13 The following graphs can be used for the questions that follow: 00 B0 00 Seris 1 02 time(min) D2 -D4 y = -0.0358x + 0.1058 Liner (Serive t) -18 time(min) The decomposition reaction of NO 2 is important in atmospheric chemistry. The reaction 2NO 2(g) → 2NO(g) + O 2(g) is second order with respect to NO 2. How can the rate constant be determined? A plot of 1/[NO2] versus time will be linear with a slope of -k. A plot of 1/[NO2] versus time will be linear with a slope of k. A plot of [NO2] versus time will be linear with a slope of -k. A plot of In[NO2] versus time will be linear with a slope of -k. Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air DD F8 F3 F4 F5 F1 %23 24 2 4. 7.