You wish to prepare 222 grams of 21.0 % Fe(NO3)2. You will need grams of iron(II) nitrate and mL of water. Assume that the density of water is 1.00 g/ ml.

Q: 4.22L of F2 @STP has how many molecules ? round answer to 2 decimal places.

A: Given       Volume of gas (V) = 4.22L         The volume of gas at STP occupy            V = 22.4L…

Q: Carlys meal is 834 total kcals. Her meal is 54% carbohydrate, 25% protein, and 21% fat how many…

A: Let the mass of the food be x g. Amount of carbohydrate present in the food = 0.54x g Amount of…

Q: 9:39 PM Fri 17 May USING PARTICLE DIAGRAMS in CLASSIFYING MATTER Fill in the information needed in…

A: Step 1: Step 2: Step 3: Step 4:

Q: 1. Formula of anhydrous salt ........ ........ 2. Mass of empty dry crucible and lid 19.219.8 3.…

A: 6) Mass of hydrate = Mass of crucible,lid and hydrate before heating(3) - Mass of empty dry crucible…

Q: 1-38. To entertain children between the ages of 2 and 90, I enjoy popping corks from bottles…

A: (a) The formula mass of acetic acid and sodium bicarbonate is

Q: resource from Cengage Learning PT ALLOWED Submit Submit Answer E Course Home CHEMWORK Alexander…

A: Given,  The chemical formula of penicillin: C16H18N2O4S :

Q: 7. 347 km / 4.6 h 8. 45000 mi /12.3 h 9. (213 m)(65.3 m) - ( 175 m)(44.5 m) 10. (125 m)(295 m) /…

A: Hi, as you have posted the subparts but have not mentioned what we have to do in this question.…

Q: Calculate the amount of heat needed to boil 44.5 g of hexane (C,H,4), beginning from a temperature…

A:

Q: In the US, nutritional energy is reported in Calories (Cal). One nutritional Calorie is equal to one…

A:

Q: Convertion: 17.8 kcal to cal

A:

Q: 9. A laboratory technician has measured the following data for two liquids that are insoluble in…

A: In this question we have been given two liquids : Liquid A and Liquid B of different masses and…

Q: Calorimetry of Metals Lab Set up a boiling water bath of 250 mL of water in a 400L beaker at 325…

A: Answer is explained below. Ans: The specific heat of the Aluminium is 0.87 J/(g°C).

Q: مره کرو مجھ 5.

A: In presence of anhydrous AlCl3, acetyl chloride undergoes aromatic electrophilic substitution with…

Q: At the beginning of the video, the students put a thermometer under a light. Then checked the…

A: Given : At the beginning of the video, the students put a thermometer under a light. Then checked…

Q: If two gasses, helium and krypton, are mixed in a rigid container and heated to 315 K. What is true…

A:

Q: average body temperature of a red-tailed hawk is 41.1C what is the temperature in K

A: Temperature in kelvin= 273.15 + Temperature in Celsius

Q: A) 2100 calcal to kcalkcal B) 425 JJ to cal   C) 2.4 kJkJ to cal

A: Convert the following - A) 2100 cal to kcal B) 425 J to cal  C) 2.4 kJ to cal

Q: which gasoline is less is less expensive: gas that cost $2.41 per gallon, or gas that sells $0.78…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.