What is the correct number of significant figures for a final answer that uses all of the following given information: a household that burns biomass with an energy density of 16*10^6 J/kg in a stove with 80.% efficiency goes through 6 trees each week, which each contain 225 kg of dry biomass? O 1 significant figure 3 significant figures O 4 significant figures O 2 significant figures

What is the correct number of significant figures for a final answer that uses all of the following given information: a household that burns biomass with an energy density of 16*10^6 J/kg in a stove with 80.% efficiency goes through 6 trees each week, which each contain 225 kg of dry biomass? O 1 significant figure 3 significant figures O 4 significant figures O 2 significant figures

Introductory Chemistry: A Foundation

8th Edition

ISBN:9781285199030

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter2: Measurements And Calculations

Section: Chapter Questions

Problem 100AP

See similar textbooks

Similar questions

Of the following choices, which one has the LARGEST value? 0.0052 1.1 x 10^-3 (expressed in scientific notation) 9.1 x 10^-5 (expressed in scientific notation) 3.1 x 10^-4 (expressed in scientific notation) 0.000967
If 20.0 Cal make an ounce, how many ounces of formula should a baby drink per day if the energy needed per day is 1.50 x 10E3 Cal? Express answer to the correct number of significant figures.
A tablet of Benadryl (RR), an antihistamine, has a mass of 0.53 g. It contains 25 mg of the active ingredient, diphenhydramine HCLHCL. Part A What percent of the tablet is an active ingredient? Express your answer using two significant figures.
Complete the following table. Be sure each of your answer entries has the correct number of significant digits. food energy content when eaten cal kcal kJ a 12-ounce soft drink ×1.50105 a raw carrot 30.0 a slice of cooked bacon 151.
1.32×106 kJ to kcal Express the value in kilocalories to three significant figures.
A cheap reliable fertilizer, NH4NO3, adds nitrogen to the soil. If you add 48.5g of fertilizer to the soil how much nitrogen, hydrogen and oxygen is introduced into the soil. Give the answer with the correct number of significant figures.
Calculate the kinetic energy of a 133.mg raindrop moving at a speed of 7.0m/s Round your answer to 2 significant digits.
In the lab, a cube of granite has a mass of 40.9 grams and its temperature rises from 28.7oC to 63.0oC when placed outside in the sun for a period of time. Calculate the amount of heat absorbed by the granite. The specific heat of granite is 0.79 J/goC . Round your answer to 1 decimal place. Your Answer:
Carry out each calculation and give the answer using the proper number of signifi cant fi gures. a. 10.70 × 3.5 b. 0.206 ÷ 25,993 c. 1,300 ÷ 41.2 d. 120.5 × 26
1. 27 JJ to calories Express your answer using two significant figures. 2. 5300 JJ to kilojoules Express your answer using two significant figures. 3. 374 kJkJ to joules Express your answer using three significant figures.
The specific heat of copper metal is 0.385 J/g.°C. How many joules of heat are required to raise the temperature of a 2.80 kg block of copper from 25.0°C to 91.0 °C? Report your answer with the correct number of significant figures in regular form. Do not include units in your answer.
When a 0.67-g sample of olive oil is burned in a calorimeter, the heat released increases the temperature of 340g of water from 22.7 Celsius to 35.0 Celsius Part A. What is the energy value for the olive oil in kcal/g? Express your answer to two significant figures and include the appropriate units