weight of heptane

USAGE SUMMARY

The phrase "weight of heptane" is correct and usable in written English.
It can be used in scientific or technical contexts when discussing the mass or density of heptane, a hydrocarbon compound. Example: "The weight of heptane is crucial for calculating the efficiency of the combustion process in engines."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Molecular weight of heptane plus.

Journal of Petroleum Exploration and Production Technology

The model input consists of the reservoir temperature (°F), molecular weight of pentane plus (Mw5+), molecular weight of heptane plus (Mw7+), mole percent of methane in the crude oil sample, molar percentage of the intermediates (C2 through C6) in the oil sample, and the molar percentages of the non-hydrocarbons (CO2, N2 and H2S).

Journal of Petroleum Exploration and Production Technology

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

The developed model uses the full composition of the gas (CH4 through C7H16+, N2, CO2, and H2S mole fractions) in addition to the molecular weight of the heptanes plus fraction, and reservoir temperature.

Journal of Petroleum Exploration and Production Technology

The model input parameters are variables measured in the laboratory with composition in mole fraction for CH4 through C7H16, N2, CO2, H2S, and molecular weight and specific gravity of heptane plus fraction.

Journal of Petroleum Exploration and Production Technology

Membranes were composed of DOPS/POPE mixtures (1 1 by weight) in heptane at a total lipid concentration of 20 mg/mL.

Biochemistry

Figure 3 shows the weight of heavy fractions obtained from n-heptane at 80 min stirring time.

Journal of Petroleum Exploration and Production Technology

Open image in new window Fig. 3 Weight of heavy fractions obtained from n-heptane maltene at 80 min.

Journal of Petroleum Exploration and Production Technology

The parameters of the developed correlation include reservoir temperature, average critical temperature of injection gas, volatile and intermediate fractions of reservoir oil and heptane plus-fraction molecular weight of crude oil.

Fluid Phase Equilibria

Simultaneously, the conversion of heptane is retarded.

Catalysis Today

The experimental part starts with studying the linear adsorption behavior of nadolol in heptane/ethanol/DEA on Chiralpak AD for varying ratios of heptane and ethanol.

Journal of Chromatography A

For the second configuration, the conversion of heptane is always 100%.

Chemical Engineering Science

Expert writing Tips

Best practice

When discussing the "weight of heptane" in scientific contexts, ensure you specify the conditions under which the weight is measured, as temperature and pressure can affect density and, consequently, apparent weight. Always clarify if you are referring to molecular weight, specific gravity, or actual weight.

Common error

Avoid using "weight" interchangeably with "mass". Weight is the force exerted on an object due to gravity, while mass is the amount of matter in an object. Use "mass" when referring to the quantity of heptane and "weight" when referring to the gravitational force acting on it.

Linguistic Context

The phrase "weight of heptane" functions primarily as a noun phrase, specifically identifying a measurable property of heptane. As evidenced by Ludwig, it's used to define the amount of gravitational force exerted upon a specific quantity of heptane.

Expression frequency: Uncommon

Frequent in

Science

100%

News & Media

0%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "weight of heptane" is a scientifically valid phrase predominantly used in technical and research contexts. As Ludwig examples show, it's crucial to differentiate between "weight" and "mass" and clarify measurement conditions. Ludwig AI confirms the phrase is correct and usable in written English, suggesting alternatives like "mass of heptane" or specifying properties such as molecular weight or specific gravity for greater precision.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

heptane weight

A more concise way to express the same idea, omitting the preposition "of".

heptane's weight

Uses a possessive form to indicate the weight belonging to heptane.

mass of heptane

Replaces "weight" with "mass", emphasizing the physical quantity rather than the force exerted by gravity.

weight measurement of heptane

Emphasizes the act of measuring the weight of heptane.

determined weight of heptane

Indicates that the weight of heptane has been specifically determined or measured.

heptane density

Focuses on the density of heptane, which relates to its mass per unit volume, rather than just its weight.

molecular weight of heptane

Specifies the molecular weight, a precise measurement of the mass of a heptane molecule.

specific gravity of heptane

Indicates the ratio of the density of heptane to the density of a reference substance (usually water).

gravimetric analysis of heptane

Refers to the quantitative analysis of heptane based on the determination of the mass of a product or a residue related to heptane.

weight characteristics of heptane

Broadens the scope to include various weight-related properties of heptane.

FAQs

How is the "weight of heptane" measured in a lab?

The "weight of heptane" is typically derived from its mass and the local gravitational acceleration. In lab settings, density measurements are common, from which weight can be calculated if needed. Analytical balances provide precise mass measurements.

What is the difference between "weight of heptane" and "density of heptane"?

The "weight of heptane" refers to the force exerted on it by gravity, dependent on its mass and gravitational acceleration. The "density of heptane" refers to its mass per unit volume, typically measured in kg/m³ or g/mL.

In what contexts is the "weight of heptane" important?

The "weight of heptane" is crucial in chemical engineering for calculations related to storage, transportation, and reaction kinetics. It's also important in quality control to verify purity and composition.

What are some alternative phrases for "weight of heptane"?

Alternatives include "mass of heptane", "heptane weight", or "specific gravity of heptane" depending on the context. Molecular weight might be appropriate when discussing its chemical properties.