It depends how big the seeds are, since a gallon is a measure of volume which cannot be easily converted into a weight without knowing what the exact substance is. For example, a gallon of popped popcorn will weigh much less than a gallon of unpopped kernals (since you can fit more kernals in a gallon than you can popped popcorn). Seeds do vary in weight quite a lot.
Numerous seeds - many tens.
1 gallon of vegetable oil will weigh approximately 7.6 lbs so divide that by 16 ...[1 gallon = 16 cups]...7.6 divided by 16 =0.475
The weight of 1 gallon of fruit puree can vary depending on the fruit and its water content, but it typically weighs around 8-10 pounds.
If 1 gal of vegetable oil weighs 7.6lb then the formula to convert to 1 cup is 7.6 lb/gal X 1 gal/128 fl oz* X 8 fl oz/1 cup = 0.475 lb/cup. *don't confuse liquid oz (fluid oz) with dry oz (oz). One is volume and the other is weight. They are not interchangeable.
how much does a gallon of concrete weigh
Weigh an empty container; pour a gallon of water into it. Weigh it again. Calculate the difference. That is the weight of the gallon of water.
No
1 US gallon would weigh approx 39.8 newtons.
A gallon of 100 mesh sand would weigh approximately 12.85 pounds.
A gallon of 25% hydrofluorosilicic acid will weigh approximately 13.6 pounds.
Depends on which oil. One gallon of crude oil weighs 7.2 lbs. Olive oil weighs 7.6 Lbs
About 8.35 pounds per US gallon.