解析 B。本题考查体积单位的表达。A 选项“cubic meters”是立方米,通常用于较大的空间体积;C 选项“grams”是克,是重量单位;D 选项“kilometers”是千米,是长度单位。只有 B 选项“liters”是升,可用于表示容器的容量等体积相关的表达。反馈 收藏
It is expressed usually in grams per deciliter – g/dL. How do I calculate MCV? To calculate MCV (mean corpuscular volume): You need to know hematocrit (Hct) in percent (%). You need to know RBC count (red blood cell count), expressed in million/mcL. Divide the hematocrit by the ...
As discussed by Jones, the higher cost largely depends on the unit of analysis since foods with low energy density seem more expensive when the unit of analysis is the cost per 100 kcal, whereas the cost per weight will reflect the contrary [43]. Moreover, similar to other studies [12,...
For the calculation of the energy contribution of SSB, the daily dietary intake in grams or milliliters was first converted to the amount of macronutrients according to the Brazilian Food Composition Table (TACO), the Table of Nutritional Composition of Food Products Consumed in Brazil, the USDA...
is expressed in milliliters (ml) the amount of semen expelled during ejaculation. From 1.5 ml is considered a normal seminal volume. Liquefaction occurs by letting the sample rest for about 20 minutes at room temperature and is a process by which the semen becomes less compact. In this way...
g/ml, 25g/ml, 50g/M, 75Ten to the second power, and grams per milliliter.g/ml were the respective results. Following 24, 48, and 72 hours of cultivation, the suppression of A549 cell growth was quantified using the CCK-8 method. A 24-hour cultivation period of A549 cells was ...
In order to determine the volume of a piece of Nickel, we need to know the density of a Nickel first. The density of Nickel is 8.9 grams per mL...Become a member and unlock all Study Answers Try it risk-free for 30 days Try it risk-free Ask a question Our experts ...
What is the molarity of a solution made by dissolving 26.42 g of (NH4) 2 SO4 in enough water to make 50 mL of solution? If molarity is moles of solute per liters of solution, and mass percent is mass of solute over mass of solution, why do you calculate the mass percent's "soluti...
A sample of helium has a volume of 3 liters when the pressure is 500 torr. What volume does the gas occupy at 300 torr? The volume of a sample of gas is 750 mL at STP. What will the sample occupy at 0.0 C and 950 torr? If a sample of gas at 25.2 C has ...
When 0.600 liters Ar at 1.20 atm and 227 C is mixed with 0.200 liters of O2 at 501 torr and 127 C in a 400 ml flask at 27 C, what is the pressure in the flask? If a sample of gas has an initial pressure of 4.83 atm, ...