Calculate the following and express the answers with the correct number of significant figures. 1)       34g/10.1mL = ___________________________ 2)       61 * 10 6J/0.0034s = _______________________

Q: You and some friends plan a road trip across country. The total distance is 2105 miles. Your car…

A: Total distance is = 2105 miles The car travel in a gallon is = 33 miles/gallon The cost of fuel is =…

Q: Because of the high heat and low humidity in the summer in Death Valley, California, a hiker…

A: Given the distance to be covered in Death Valley = 35 km Amount of water required = 1 quart water…

Q: Suppose that 240 mL of water changes in temperature from 57.62°C to 56.32°C. What is qwater in…

A: Dear student I have given answer to your question in the image format.

Q: Convert (7.8x10^24) molecules of sodium chloride, NaCl (OR N a C l) to grams of sodium chloride.…

A: To solve this problem first we have to know the molar mass of NaCl. From the molar mass we know…

Q: Calculate the kinetic energy of a 311. kg car moving at a speed of 10.8 Round your answer to 3…

A: kinetic energy of an object is defined as the energy that the object possesses due to its motion.

Q: Complete the table below relating the values. Each value is =0, >0, or <0

A: We have knowledge about two equations: One is Nernst Equation according to this, Second is…

Q: Convert 56 mile/hour to km/min. Leave your answer in 2 significant figures. Please do not enter…

A: Given that -  56 mile/hour    We know that one mile is equal to 1.609 km , and 1 hour is equal to 60…

Q: Express each answer with the correct significant digits, and the proper units AND write it in…

A: The expression given is .

Q: Use scientific notation to express each quantity with only base units: 35 μL, 225 Mm, 133 Tg, 1.5cg

A:

Q: Convert 3.09 x 10^-3 m to the equivalent length in nanometers 3.09 x 10^-3 m =

A: In this question, we will Converted m to nm unit  You can see details Solution below.

Q: An imported car is listed as geting 12.9km/L. What is the cars gas mileage in units miles/gal(mpg)?…

A:

Q: Calculate the difference between the numbers. (9.330 x 10-4) – (2.674 × 10-³) = * TOOLS x10

A: To calculate the difference between two numbers.

Q: Shonda’s car gets an average of 27 miles per gallon. Gas costs $2.25 per gallon and she drives 892…

A: Total distance covered is 892 miles. Distance travelled for 1 gallon is 27 miles. Cost of 1 gallon…

Q: (*) 0- J kJ 37. mmol · °C ? mol · °C

A:

Q: Express these non-exponentially, and choose the unit and prefix that works best: 2 x 10-3 s 1.5 x…

A:

Q: For one month Siera calculated her home town’s average high temperature in degrees Fahrenheit. She…

A:

Q: Convert 66 revolutions per hour to s-1 Notes: 1 h = 3600 s

A: Given that : We have to convert revolution per hour to s-1. Also given that, 1 hour = 3600 seconds

Q: The temperature in a freezer is -22.74 Fahrenheit. What is the same temperature expressed in Kelvin?…

A:

Q: Ketamine, sometimes used as an adjuvant to general anesthesia, is available as a 1.0 % (w/v)…

A: We have to calculate mass of ketamine

Q: A 15.630 gg milk chocolate bar is found to contain 9.815 g of sugar. What will be the amount of…

A: Given : Mass of sugar = 9.815 g And mass of bar = 15.630 g The mass of reduced bar = 4.000 g

Q: Carry out the following conversions: (a) 1.42 lightyears to miles (a light-year is an astronomical…

A: a) We need to convert a distance from light-year to miles.

Q: 91.6 mL of H20 at 25.04 °C is heated to 67.94 °C. How many kJ of heat did it gain from the…

A:

Q: a bicycle takes 8.0 seconds to accelerate at a constant rate from rest to a speed of 4.0 m/s

A: Newton’s Second Law of Motion: The acceleration of an item as created by a net force is proportional…

Q: in the US system, 1 lb is equal to 16oz. is this a measured or exact statement

A: To convert on unit into other we know we have two ways to represent them ; 1)  Exact number :-…

Q: Fill in the missing words To assess the accuracy of each piece of glassware a--------- is…

A: Calibrations are to ensure that correct findings are derived from a system or instrument used in…

Q: A 150-lb person burns about 2700 Calories to run a marathon. How much energy is burned in kJ? Assume…

A: A conversion factor is multiplied to change from one unit to another.

Q: A piece of metal with a specific heat of 0.77 Jg-1°C-1 at 1164.7 °C is dunked into a beaker…

A:

Q: 85.4 grams of a metal that is at temperature 92.68 °C is placed in 257.4 mL of wate at 19.07 °C. The…

A:

Q: In the lab, a cube of concrete has a mass of 49.9 grams and its temperature rises from 29.3°C to…

A: Mass of concrete = 49.9 grams Initial Temperature = 29.3 °C  Final temperature = 69.9 °C  Specific…

Q: conversion convert 130 feet per second to miles per hour (round to whole m.p.h.)

A: Convert 130 feet per second to miles per hour (round to whole m.p.h.)

Q: (7.90× 10-) (1.87 × 10*) x 10*) = 10°). 8.09 x 10-4 9.17 x 10° – 1.87 × 105 (3.19 x 10°) (9.17 ×…

A: First we  need simplicity of power after it we do our complete calculation.

Q: Q1. The correct conversion expression between degrees °C to K is? A. T(K)=t(°C) + 273.15 C. T(K)=…

A: Given,  The combination of formula/name is correct for the compound is:

Q: 1.285 x 10^-2 + 1.24 x 10^-3 + 1.879x 10^-1

A: Value of 1.285 x 10^-2 + 1.24 x 10^-3 + 1.879x 10^-1 in correct significant digit?

Q: For the following division problem: (6.626 x 10–30) / (9.63 x 107) = ? What is the answer reported…

A: When we divide  the two same numbers  having  coefficients,  like 10-2/10-4 than here we just…

Q: If 20.0 Cal make an ounce, how many ounces of formula should a baby drink per day of the energy need…

A: Given data 20.0 cal = 1 ounce energy need per day = 1.50 x 103 cal

Q: 91.6 mL of H20 at 25.04 °C is heated to 67.94 °C. How many kJ of heat did it gain from the…

A:

Q: CONVERT DEGREES CELSIUS TO FAHRENHEIT 1- Fórmula: °F = (°C · 1.8) + 32 To calculate how many degrees…

A: here the calculation of temperature given,  The temperature has three units, Fahrenheit, Celsius,…

Q: When 2.00 kg of water vapor cools to a temperature of 373 K, the value of q = -930 kJ. If the…

A: For this question Heat (q) = m*s*dT...............(1) where, q = -930kJ = -930000 J m = mass = 2.00…

Q: If the temperature of your beaker of water was 22.7 C, what would be the density of the water?…

A: The answer to the following question is-

Q: 55.0 g of iron was heated to 257°C and was dipped in to 100. mL of water at 30.0 °C. Assuming no…

A:

Q: 263.3 mL of H2O at 18.17 °C is heated to 42.56 °C. How many kJ of heat did it gain from the…

A: We know,  q=c×m×∆T =&gt;q=4.184J/g°C×263.3g×(42.56-18.17)°C

Q: Express the quantity 556.2 * 10 - 12 s in each unit.a. ms                             b. ns…

A:

Q: Complete the following table. Be sure each of your answer entries has the correct number of…

A:

Q: A car travels at 55 mi/hmi/h and gets 12 km/Lkm/L of gasoline.   How many gallons of gasoline are…

A: We have to calculate the Gallons of gasoline needed.

Q: To the appropriate number of significant figures, what is the initial temperature of 3.liter of it…

A: Sign convention: Heat absorb = positive (+) Heat release = negative (-) The density of water is 1…

Q: A chemist prepares a solution of barium chloride (BaCl,) by weighing out 9.759 g of barium chloride…

A:

Q: The conversion factor used to convert 55.6 km to miles is • View Available Hint(s) 1.61 km 1 mile…

A: Given: 55.6 km

Q: What is that temperature in degrees Celsius?

A: Given :- temperature  = 113oF  To calculate :- temperature in oC

Q: Use the References to access important values if needed for this question. Complete the following…

A: Some important properties  :  1ax = a-x  ax . ay =ax+y    ( ax)y = ax.y axay = ax-y

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.