A student measures the volume of a gas sample at several different temperatures. The results are tabulated as follows. Formulate a tentative law from the measurements. Temperature of Gas (in K) Volume of Gas (in L) 298 4.55 315 4.81 325 4.96 335 5.11

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352 LABORATORY EXPERIMENTS IN GENERAL CHEMISTRY GENERAL CHEMISTRY STUDY SHEET NO. 2Y JARBWS EMELY 1. Perform the following temperature conversions: a) 58.0°C = ? °F c) 45°C = ? K b) 12°F = ? °C d) 50°F = ? K 2. If 60.0 g of water is heated from 30.0°C to 50.0°C, how many calories of heat are absorbed by the water? 3. When 26.0 g of salt water solution is heated from 30.0°C to 50.0°C, it ab- sorbs 494 cal of heat. What is the specific heat of the salt solution?

The "Nutrition Facts" on a label of a 64 fluid ounce container of apple juice states that a serving size of 8 fluid ounces contains 144 Calories and 16 milligrams of sodium. Nutrition Facts Serving Size 8 fl. oz. (240 mL) Servings Per Container: 8 Amount Per Serving Calories 144 % Daily Value* 0% 0% 8% 10% Total Fat 0 g Sodium 16 mg Potassium 304 mg Total Carbohydrate 29 g Sugars 26 g Protein 0 g a) How many Calories does 1 fluid ounce of apple juice contain? b) How many milligrams of sodium does 1 fluid ounce of apple juice contain? c) How many Calories are in the entire container of juice? d) How many milligrams of sodium are in the entire container of juice?

Suppose some measurements are made on two different homogeneous stones to find out if they are made of the same kind of rock. The mass and volume measurements are listed below. Are the two stones the same type of rock? Why or why not? Show all calculations. Mass Volume Calculations Stone 1 58.0 g 20.0 cm Stone 2 50.1 g 15.0 cm3 21/common/assets/pdfjs/1.0.0.30/web/viewer.ht...ndered-pdf&fullscreen=Dd21-fileviewer-rendered-pdf-dialog&height=746#0

for forensic chemistry :  If a vehicle with four wheels is traveling in a linear path through soft dirt, how many and which tires would you expect to leave tire track impressions?

Dashboard My Home OWLV2 | Online teaching and learning resource from Cengag [References) A student gently drops an object weighing 15.7 g into an open vessel that is full of ethanol, so that a volume of ethanol spills out equal to the volume of the object. The experimenter now finds that the vessel and its contents weigh 10.6 g more than the vessel full of ethanol only. The density of ethanol is 0.789 g/cm°. What is the density of the object? Density = g/cm³ Submit Answer Try Another Version 10 item attempts remaining

6. My car gas tank holds 14.2 gallons of gas. 10.9 kg of carbon dioxide, CO₂, is produced per 1.00 gallon of gas burned. How many pounds of CO₂ is produced from a full tank of gas? (1 kg = 2.205 lb.)

1) State your interpretation of the meaning of the slope for the first graph you prepared of Volume of Steel Nuts (mL) versus Number of Steel Nuts. Hint: Understanding the meaning of a slope involves several factors: the units which are a ratio of the y axis units over the x axis units, the interpretation of the slope as “number of the y axis units for every one of the x axis units” and the concept that constructing the best line or curve that follows the trend in the data is a sort of averaging of the random error throughout the data.