Cual es la diferencia entre agua pesada y agua ligera a) el agua pesada contiene mas minerales que el agua ligera b) el agua ligera es liquida mientras el agua pesada es solida c) el agua ligera es agua purificada y el agua pesada es agua contaminada d) el agua pesada contiene mas elementos estearato de sodio

A 25.0-mL sample of 0.150 M hydrazoic acid, HN3, is titrated with a 0.150 M NaOH solution. What is the pH after 13.3 mL of base is added? The Ka of hydrazoic acid = 1.9 x 10-5. A boat that can travel 18 mph in still water can travel 21 miles downstream in the same amount of time that it can travel 15 miles upstream. Find the speed (in mph) of the current in the river. 1. You are given a 1 gram soil sample of unknown bacterial load. After doing 10-fold serial dilutions of the soil in sterile water, 100 uL volumes are taken from each dilution for preparation of pour plates. Following incubation, each half of the 10-8 plate has 46 colonies. a) What was the dilution factor?b) How many bacteria were present in the soil?2. Staphylococcus aureus divides every 20 minutes. A culture begins with 10 bacterial cells. a) After 5 hours, how many generations have occurredb) After 5 hours, how many bacteria are present?3. How many milliliters would you need to prepare a 10-2 dilution from a 10ml starting culture? Please Help me ASAP Just answers please ;) The subject of a literary work is _____. A) the readers impression B) a specific topic C) the underlying meaning D) a universal truth 3. If a balance sheet were prepared for Pala Medical Co. on June 30, 20Y1, what amount should be reported as cash? If a small electric automobile manufacturer is able to gain the social return generated by its electric motor, its demand for financial capital would What is the value of m in the equationzm = 16, when n = 8? Find the smallest number by which 8788 must be multiplied so that the quotient is a perfect cube. Also, find the cube root of the perfect cube so obtained. 1/3 of 12 =2/3 of PLEASE HELP ME!!!!!!!!!!! Draw the structure 2 butylbutane Select the correct answer from each drop-down menu.The given equation has been solved in the table. Mitrr ko Pareeksha meme Pratham Stan pane ke Liye Badai -patrr likiye Hello everyone this subject is hindi ok there was no hondi to choose as a subject thats why i choosed history Write a paragraph on how the world has changed during the pandemic What is the standard form of this function? f(x) = -(x 4)2 + 2 A. f(x) = -x2 + 4x 30 B. f(x) = x2 + 8x 14 C. f(x) = -x2 + 8x 14 D. f(x) = x2 + 4x 30 PLEASE HELP ME! IM REALLY CONFUSED! Please help :) Is the relationship shown by the data linear? If so model the data with an equation. Find the volume of a sphere 8 feet in diameter use 3.14 round your answer to the nearest tenth(A) 150.7(B) 267.9(C) 83.7(D)67.0What one is it help me please If d = the number of dogs, which variable expression represents the phrase below? the sum of the number of dogs and the 6 cats. Reconoce y clasifica los pronombres de las siguientes oraciones: 1. Ella debera quedarse, como los chicos, a ayudar a su viejo padre en sus ltimos aos. 2. Deseaba trabajar tanto como otros deseaban lo contrario. 3. Esos dos matrimonios le hicieron perder ms de tres aos de su vida.