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18.For a reaction with rate law: If [A] doubles and [B] remain constant, by what factor does the rate change? A.2B. 3C. 4D. 8

12.The rate constant for a first-order reaction is 0.0450 s⁻¹.What is the half-life? A.6.60 sB. 15.4 sC. 30.8 sD. 0.065 s

16. Given data: [A] (M) Rate (M/s) 0.10 0.020 0.20 0.080 What is the order with respect to A? A.ZeroB. FirstC. SecondD. Third

17. If Ea = 50.000 J/mol, R = 8.314 J/mol·K, T = 298 K, and A = 1.0 × 10¹³ s⁻¹, what is k? A.1.7 × 10⁴ s⁻¹B. 1.7 × 10³ s⁻¹C. 1.7 × 10² s⁻¹D. 1.7 × 10¹ s⁻¹                R=8.314 J/mol·K

The price level is a

Providing training for unemployed individuals is primarily intended to reduce

Figure 31-1Refer to Figure 31-1. If the money supply is MS2 and the value of money is 5, then the quantity of money

If the price level increased from 120 to 142, then what was the inflation rate?

If M = 5,000, P = 3.75, and Y = 7,000, what is velocity?

According to the assumptions of the quantity theory of money, if the money supply increases by 2 percent, then