Calculate the following and express your answer in scientific notation with the correct units and number of significant figures. Do not try to con

Q: The engine in a boat has a displacement of 350 inches3? what is the displacement of this engine in…

A: Following are the appropriate answers of the given questions.

Q: A student is working on converting a number that has a unit with the Sl prefix milli- to a unit that…

A: 1 mili-unit = 10-3 unit1 unit = 10-6 Mega-unit Thus, we have:1 mili-unit = 10-9 Mega-unit

Q: Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. What volume of water…

A:

Q: mL. What is t

A: To find the density of the substance whose mass of the substance is 50g  volume is 85.0ml

Q: Perform the following calculation, reporting your answer to the correct number of significant…

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: Determine the number of the following:(a) square meters in 1 square kilometer(b) cubic centimeters…

A: (a) Conversion factor is a formula which defined the relation between one set of units of a…

Q: Ban as Foster is an example of a dessert that is flambéed. One chef claims their Bananas Foster…

A:

Q: Ammonia (NH,) chemically reacts with oxygen gas (o,) to produce nitric oxide (NO) and water (H,0).…

A: Given data is as follows: The mass of ammonia given = 1.2 g The mass of oxygen gas consumed = ?

Q: If you have 4.25 grams of Ag2O, how many moles of Ag2O do you have?

A: given: mass of Ag2O = 4.25 grams molar mass of Ag2O = 231.735 g/mol we need to calculate moles of…

Q: During your vacation you took a metal detector to Cannon Beach and discovered an unusual piece of…

A: Given data: Mass of metal = 185.9 g Volume of water in the cylinder = 9.63 mL Increased volume after…

Q: Methane gas and oxygen gas react to form water vapor and carbon dioxide gas. What volume of carbon…

A:

Q: A student measured the length and mass measurements of a cube using the same equipment as in the…

A: Density=MassVolume

Q: combined mass of ten raindrops in grams?

A: Given : The mass of a raindrop = 8 milligrams or 8 mg

Q: QUESTION 3 What is the answer, to the correct number of significant figures, to the following…

A:

Q: How many joules are in 6,458 Cal? Express your answer in scientific notation with the correct number…

A: Given:Energy in calories, E=6458 Cal we know that,1cal = 4.184JTo convert the given calories in…

Q: Calculate the volume in milliliters of a 2.4M sodium nitrate solution that contains 125. g of sodium…

A: Given data, Molarity of NaNO3 = 2.4 M                                  = 2.4 mol/ L Mass of NaNO3 =…

Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O).…

A:

Q: A scientific theory is a tentative explanation for an observation.   Question 1 options:   True…

A: Significant numbers rule -  During addition or subtraction, the answer is rounded to least number of…

Q: Complete the following equation and express your answer with the correct number of significant…

A: The rules for significant figures in addition and multiplication are as follows:  Addition and…

Q: Convert 192 grams of phosphorus pentabromide to molecules.

A: Given: Mass of phosphorus pentabromide i.e. PBr5 = 192 g.

Q: A chemistry student weighs out 0.0874 g of sulfurous acid (H,SO), a diprotic acid, into a 250. mL…

A: Given-> Weight of sulfurous acid=0.0874g Volume of volumetric  flask= 250 mL  Concentration of…

Q: A liquid has a volume of 10.95 mL and a mass of 75g. Calculate the density of the liquid. If 10.00…

A:

Q: 1. Calculate the volume of ball bearings 1 - 7 and record the result with excess significant figures…

A: Since you have asked multiple questions, we will answer the first one for you. To get the remaining…

Q: Hydrogen chloride gas and oxygen react to form water vapor and chlorine gas. What volume of water…

A: we have to calculate the volume of water produced in the reaction

Q: Select the proper scientific notation for the number 90210. Digits to the right of the underlined…

A: Answer: In the question it is mentioned that digits to the right of underlined digit are not…

Q: How many moles of water were lost if the amount of water lost was 0.378 grams?  Do not include units…

A: The moles of water that were lost if the amount of water lost was 0.378 grams are to be calculated.

Q: Carbon disulfide gas and oxygen gas react to form sulfur dioxide gas and carbon dioxide gas. What…

A: Reaction of CS2 and O2Volume of O2 consumed = 9.34 m3 Volume of CO2 produced = ?

Q: 0.0590×8.10510-2 1.8x10-3

A: The number of significant figures in the product of the calculation is the minimum number of…

Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction…

A:

Q: Solve following using Significant figure rules - (2502.20 x 21.00)/ 3.0

A:

Q: Gaseous butane (CH3(CH,), CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

A:

Q: A major component of gasoline is octane (C,H8). When octane is burned in air, it chemically reacts…

A:

Q: Please help me solve the following question, explain and make sure everything is correct, thanks !!

A: You can just use Volume of Fluorine ÷ Number of moles of Fluorine = Volume of Oxygen ÷ Number of…

Q: D Question 4 Consider an object that is in the shape of a cube with a mass of 45.8 grams. If the…

A: Answer:Density of an object is the ratio of its mass and volume as shown below:Here:

Q: Select the single most accurate method for measuring the volume of an irregularly shaped unknown…

A: The density of an object is the mass of the object present per unit of the volume. The units of…

Q: How many significant figures would be in the answer to the problem 1.562-1.51?

A: The 0 in a number at last which has no decimal point is not considered significant. For example, 500…

Q: [Review Topics] [References] CHEMWORK Change the following measurement to the appropriate SI unit.…

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.